Add DNS provider for Mittwald (#2200)

2024-12-25 11:02:56 +02:00 · 2024-08-30 19:46:02 +02:00 · 2024-08-30 19:46:02 +02:00 · beaa35caf9
commit beaa35caf9
parent 7062e8c28f
17 changed files with 1195 additions and 15 deletions
--- a/README.md
+++ b/README.md
@ -73,20 +73,20 @@ Detailed documentation is available [here](https://go-acme.github.io/lego/dns).
 | [iwantmyname](https://go-acme.github.io/lego/dns/iwantmyname/)                  | [Joker](https://go-acme.github.io/lego/dns/joker/)                              | [Joohoi's ACME-DNS](https://go-acme.github.io/lego/dns/acme-dns/)               | [Liara](https://go-acme.github.io/lego/dns/liara/)                              |
 | [Lima-City](https://go-acme.github.io/lego/dns/limacity/)                       | [Linode (v4)](https://go-acme.github.io/lego/dns/linode/)                       | [Liquid Web](https://go-acme.github.io/lego/dns/liquidweb/)                     | [Loopia](https://go-acme.github.io/lego/dns/loopia/)                            |
 | [LuaDNS](https://go-acme.github.io/lego/dns/luadns/)                            | [Mail-in-a-Box](https://go-acme.github.io/lego/dns/mailinabox/)                 | [Manual](https://go-acme.github.io/lego/dns/manual/)                            | [Metaname](https://go-acme.github.io/lego/dns/metaname/)                        |
-| [mijn.host](https://go-acme.github.io/lego/dns/mijnhost/)                       | [MyDNS.jp](https://go-acme.github.io/lego/dns/mydnsjp/)                         | [MythicBeasts](https://go-acme.github.io/lego/dns/mythicbeasts/)                | [Name.com](https://go-acme.github.io/lego/dns/namedotcom/)                      |
-| [Namecheap](https://go-acme.github.io/lego/dns/namecheap/)                      | [Namesilo](https://go-acme.github.io/lego/dns/namesilo/)                        | [NearlyFreeSpeech.NET](https://go-acme.github.io/lego/dns/nearlyfreespeech/)    | [Netcup](https://go-acme.github.io/lego/dns/netcup/)                            |
-| [Netlify](https://go-acme.github.io/lego/dns/netlify/)                          | [Nicmanager](https://go-acme.github.io/lego/dns/nicmanager/)                    | [NIFCloud](https://go-acme.github.io/lego/dns/nifcloud/)                        | [Njalla](https://go-acme.github.io/lego/dns/njalla/)                            |
-| [Nodion](https://go-acme.github.io/lego/dns/nodion/)                            | [NS1](https://go-acme.github.io/lego/dns/ns1/)                                  | [Open Telekom Cloud](https://go-acme.github.io/lego/dns/otc/)                   | [Oracle Cloud](https://go-acme.github.io/lego/dns/oraclecloud/)                 |
-| [OVH](https://go-acme.github.io/lego/dns/ovh/)                                  | [plesk.com](https://go-acme.github.io/lego/dns/plesk/)                          | [Porkbun](https://go-acme.github.io/lego/dns/porkbun/)                          | [PowerDNS](https://go-acme.github.io/lego/dns/pdns/)                            |
-| [Rackspace](https://go-acme.github.io/lego/dns/rackspace/)                      | [RcodeZero](https://go-acme.github.io/lego/dns/rcodezero/)                      | [reg.ru](https://go-acme.github.io/lego/dns/regru/)                             | [RFC2136](https://go-acme.github.io/lego/dns/rfc2136/)                          |
-| [RimuHosting](https://go-acme.github.io/lego/dns/rimuhosting/)                  | [Sakura Cloud](https://go-acme.github.io/lego/dns/sakuracloud/)                 | [Scaleway](https://go-acme.github.io/lego/dns/scaleway/)                        | [Selectel v2](https://go-acme.github.io/lego/dns/selectelv2/)                   |
-| [Selectel](https://go-acme.github.io/lego/dns/selectel/)                        | [Servercow](https://go-acme.github.io/lego/dns/servercow/)                      | [Shellrent](https://go-acme.github.io/lego/dns/shellrent/)                      | [Simply.com](https://go-acme.github.io/lego/dns/simply/)                        |
-| [Sonic](https://go-acme.github.io/lego/dns/sonic/)                              | [Stackpath](https://go-acme.github.io/lego/dns/stackpath/)                      | [Tencent Cloud DNS](https://go-acme.github.io/lego/dns/tencentcloud/)           | [TransIP](https://go-acme.github.io/lego/dns/transip/)                          |
-| [UKFast SafeDNS](https://go-acme.github.io/lego/dns/safedns/)                   | [Ultradns](https://go-acme.github.io/lego/dns/ultradns/)                        | [Variomedia](https://go-acme.github.io/lego/dns/variomedia/)                    | [VegaDNS](https://go-acme.github.io/lego/dns/vegadns/)                          |
-| [Vercel](https://go-acme.github.io/lego/dns/vercel/)                            | [Versio.[nl/eu/uk]](https://go-acme.github.io/lego/dns/versio/)                 | [VinylDNS](https://go-acme.github.io/lego/dns/vinyldns/)                        | [VK Cloud](https://go-acme.github.io/lego/dns/vkcloud/)                         |
-| [Vscale](https://go-acme.github.io/lego/dns/vscale/)                            | [Vultr](https://go-acme.github.io/lego/dns/vultr/)                              | [Webnames](https://go-acme.github.io/lego/dns/webnames/)                        | [Websupport](https://go-acme.github.io/lego/dns/websupport/)                    |
-| [WEDOS](https://go-acme.github.io/lego/dns/wedos/)                              | [Yandex 360](https://go-acme.github.io/lego/dns/yandex360/)                     | [Yandex Cloud](https://go-acme.github.io/lego/dns/yandexcloud/)                 | [Yandex PDD](https://go-acme.github.io/lego/dns/yandex/)                        |
-| [Zone.ee](https://go-acme.github.io/lego/dns/zoneee/)                           | [Zonomi](https://go-acme.github.io/lego/dns/zonomi/)                            |                                                                                 |                                                                                 |
+| [mijn.host](https://go-acme.github.io/lego/dns/mijnhost/)                       | [Mittwald](https://go-acme.github.io/lego/dns/mittwald/)                        | [MyDNS.jp](https://go-acme.github.io/lego/dns/mydnsjp/)                         | [MythicBeasts](https://go-acme.github.io/lego/dns/mythicbeasts/)                |
+| [Name.com](https://go-acme.github.io/lego/dns/namedotcom/)                      | [Namecheap](https://go-acme.github.io/lego/dns/namecheap/)                      | [Namesilo](https://go-acme.github.io/lego/dns/namesilo/)                        | [NearlyFreeSpeech.NET](https://go-acme.github.io/lego/dns/nearlyfreespeech/)    |
+| [Netcup](https://go-acme.github.io/lego/dns/netcup/)                            | [Netlify](https://go-acme.github.io/lego/dns/netlify/)                          | [Nicmanager](https://go-acme.github.io/lego/dns/nicmanager/)                    | [NIFCloud](https://go-acme.github.io/lego/dns/nifcloud/)                        |
+| [Njalla](https://go-acme.github.io/lego/dns/njalla/)                            | [Nodion](https://go-acme.github.io/lego/dns/nodion/)                            | [NS1](https://go-acme.github.io/lego/dns/ns1/)                                  | [Open Telekom Cloud](https://go-acme.github.io/lego/dns/otc/)                   |
+| [Oracle Cloud](https://go-acme.github.io/lego/dns/oraclecloud/)                 | [OVH](https://go-acme.github.io/lego/dns/ovh/)                                  | [plesk.com](https://go-acme.github.io/lego/dns/plesk/)                          | [Porkbun](https://go-acme.github.io/lego/dns/porkbun/)                          |
+| [PowerDNS](https://go-acme.github.io/lego/dns/pdns/)                            | [Rackspace](https://go-acme.github.io/lego/dns/rackspace/)                      | [RcodeZero](https://go-acme.github.io/lego/dns/rcodezero/)                      | [reg.ru](https://go-acme.github.io/lego/dns/regru/)                             |
+| [RFC2136](https://go-acme.github.io/lego/dns/rfc2136/)                          | [RimuHosting](https://go-acme.github.io/lego/dns/rimuhosting/)                  | [Sakura Cloud](https://go-acme.github.io/lego/dns/sakuracloud/)                 | [Scaleway](https://go-acme.github.io/lego/dns/scaleway/)                        |
+| [Selectel v2](https://go-acme.github.io/lego/dns/selectelv2/)                   | [Selectel](https://go-acme.github.io/lego/dns/selectel/)                        | [Servercow](https://go-acme.github.io/lego/dns/servercow/)                      | [Shellrent](https://go-acme.github.io/lego/dns/shellrent/)                      |
+| [Simply.com](https://go-acme.github.io/lego/dns/simply/)                        | [Sonic](https://go-acme.github.io/lego/dns/sonic/)                              | [Stackpath](https://go-acme.github.io/lego/dns/stackpath/)                      | [Tencent Cloud DNS](https://go-acme.github.io/lego/dns/tencentcloud/)           |
+| [TransIP](https://go-acme.github.io/lego/dns/transip/)                          | [UKFast SafeDNS](https://go-acme.github.io/lego/dns/safedns/)                   | [Ultradns](https://go-acme.github.io/lego/dns/ultradns/)                        | [Variomedia](https://go-acme.github.io/lego/dns/variomedia/)                    |
+| [VegaDNS](https://go-acme.github.io/lego/dns/vegadns/)                          | [Vercel](https://go-acme.github.io/lego/dns/vercel/)                            | [Versio.[nl/eu/uk]](https://go-acme.github.io/lego/dns/versio/)                 | [VinylDNS](https://go-acme.github.io/lego/dns/vinyldns/)                        |
+| [VK Cloud](https://go-acme.github.io/lego/dns/vkcloud/)                         | [Vscale](https://go-acme.github.io/lego/dns/vscale/)                            | [Vultr](https://go-acme.github.io/lego/dns/vultr/)                              | [Webnames](https://go-acme.github.io/lego/dns/webnames/)                        |
+| [Websupport](https://go-acme.github.io/lego/dns/websupport/)                    | [WEDOS](https://go-acme.github.io/lego/dns/wedos/)                              | [Yandex 360](https://go-acme.github.io/lego/dns/yandex360/)                     | [Yandex Cloud](https://go-acme.github.io/lego/dns/yandexcloud/)                 |
+| [Yandex PDD](https://go-acme.github.io/lego/dns/yandex/)                        | [Zone.ee](https://go-acme.github.io/lego/dns/zoneee/)                           | [Zonomi](https://go-acme.github.io/lego/dns/zonomi/)                            |                                                                                 |

 <!-- END DNS PROVIDERS LIST -->

--- a/cmd/zz_gen_cmd_dnshelp.go
+++ b/cmd/zz_gen_cmd_dnshelp.go
@ -93,6 +93,7 @@ func allDNSCodes() string {
 		"mailinabox",
 		"metaname",
 		"mijnhost",
+		"mittwald",
 		"mydnsjp",
 		"mythicbeasts",
 		"namecheap",
@ -1835,6 +1836,27 @@ func displayDNSHelp(w io.Writer, name string) error {
 		ew.writeln()
 		ew.writeln(`More information: https://go-acme.github.io/lego/dns/mijnhost`)

+	case "mittwald":
+		// generated from: providers/dns/mittwald/mittwald.toml
+		ew.writeln(`Configuration for Mittwald.`)
+		ew.writeln(`Code:	'mittwald'`)
+		ew.writeln(`Since:	'v1.48.0'`)
+		ew.writeln()
+
+		ew.writeln(`Credentials:`)
+		ew.writeln(`	- "MITTWALD_TOKEN":	API token`)
+		ew.writeln()
+
+		ew.writeln(`Additional Configuration:`)
+		ew.writeln(`	- "MITTWALD_HTTP_TIMEOUT":	API request timeout`)
+		ew.writeln(`	- "MITTWALD_POLLING_INTERVAL":	Time between DNS propagation check`)
+		ew.writeln(`	- "MITTWALD_PROPAGATION_TIMEOUT":	Maximum waiting time for DNS propagation`)
+		ew.writeln(`	- "MITTWALD_SEQUENCE_INTERVAL":	Time between sequential requests`)
+		ew.writeln(`	- "MITTWALD_TTL":	The TTL of the TXT record used for the DNS challenge`)
+
+		ew.writeln()
+		ew.writeln(`More information: https://go-acme.github.io/lego/dns/mittwald`)
+
 	case "mydnsjp":
 		// generated from: providers/dns/mydnsjp/mydnsjp.toml
 		ew.writeln(`Configuration for MyDNS.jp.`)
--- a/docs/content/dns/zz_gen_mittwald.md
+++ b/docs/content/dns/zz_gen_mittwald.md
@ -0,0 +1,68 @@
+---
+title: "Mittwald"
+date: 2019-03-03T16:39:46+01:00
+draft: false
+slug: mittwald
+dnsprovider:
+  since:    "v1.48.0"
+  code:     "mittwald"
+  url:      "https://www.mittwald.de/"
+---
+
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+<!-- providers/dns/mittwald/mittwald.toml -->
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+
+
+Configuration for [Mittwald](https://www.mittwald.de/).
+
+
+<!--more-->
+
+- Code: `mittwald`
+- Since: v1.48.0
+
+
+Here is an example bash command using the Mittwald provider:
+
+```bash
+MITTWALD_TOKEN=my-token \
+lego --email you@example.com --dns mittwald --domains my.example.org run
+```
+
+
+
+
+## Credentials
+
+| Environment Variable Name | Description |
+|-----------------------|-------------|
+| `MITTWALD_TOKEN` | API token |
+
+The environment variable names can be suffixed by `_FILE` to reference a file instead of a value.
+More information [here]({{% ref "dns#configuration-and-credentials" %}}).
+
+
+## Additional Configuration
+
+| Environment Variable Name | Description |
+|--------------------------------|-------------|
+| `MITTWALD_HTTP_TIMEOUT` | API request timeout |
+| `MITTWALD_POLLING_INTERVAL` | Time between DNS propagation check |
+| `MITTWALD_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation |
+| `MITTWALD_SEQUENCE_INTERVAL` | Time between sequential requests |
+| `MITTWALD_TTL` | The TTL of the TXT record used for the DNS challenge |
+
+The environment variable names can be suffixed by `_FILE` to reference a file instead of a value.
+More information [here]({{% ref "dns#configuration-and-credentials" %}}).
+
+
+
+
+## More information
+
+- [API documentation](https://api.mittwald.de/v2/docs/)
+
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+<!-- providers/dns/mittwald/mittwald.toml -->
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
--- a/docs/data/zz_cli_help.toml
+++ b/docs/data/zz_cli_help.toml
@ -138,7 +138,7 @@ To display the documentation for a specific DNS provider, run:
  $ lego dnshelp -c code

 Supported DNS providers:
-  acme-dns, alidns, allinkl, arvancloud, auroradns, autodns, azure, azuredns, bindman, bluecat, brandit, bunny, checkdomain, civo, clouddns, cloudflare, cloudns, cloudru, cloudxns, conoha, constellix, cpanel, derak, desec, designate, digitalocean, directadmin, dnshomede, dnsimple, dnsmadeeasy, dnspod, dode, domeneshop, dreamhost, duckdns, dyn, dynu, easydns, edgedns, efficientip, epik, exec, exoscale, freemyip, gandi, gandiv5, gcloud, gcore, glesys, godaddy, googledomains, hetzner, hostingde, hosttech, httpnet, httpreq, hurricane, hyperone, ibmcloud, iij, iijdpf, infoblox, infomaniak, internetbs, inwx, ionos, ipv64, iwantmyname, joker, liara, lightsail, limacity, linode, liquidweb, loopia, luadns, mailinabox, manual, metaname, mijnhost, mydnsjp, mythicbeasts, namecheap, namedotcom, namesilo, nearlyfreespeech, netcup, netlify, nicmanager, nifcloud, njalla, nodion, ns1, oraclecloud, otc, ovh, pdns, plesk, porkbun, rackspace, rcodezero, regru, rfc2136, rimuhosting, route53, safedns, sakuracloud, scaleway, selectel, selectelv2, servercow, shellrent, simply, sonic, stackpath, tencentcloud, transip, ultradns, variomedia, vegadns, vercel, versio, vinyldns, vkcloud, vscale, vultr, webnames, websupport, wedos, yandex, yandex360, yandexcloud, zoneee, zonomi
+  acme-dns, alidns, allinkl, arvancloud, auroradns, autodns, azure, azuredns, bindman, bluecat, brandit, bunny, checkdomain, civo, clouddns, cloudflare, cloudns, cloudru, cloudxns, conoha, constellix, cpanel, derak, desec, designate, digitalocean, directadmin, dnshomede, dnsimple, dnsmadeeasy, dnspod, dode, domeneshop, dreamhost, duckdns, dyn, dynu, easydns, edgedns, efficientip, epik, exec, exoscale, freemyip, gandi, gandiv5, gcloud, gcore, glesys, godaddy, googledomains, hetzner, hostingde, hosttech, httpnet, httpreq, hurricane, hyperone, ibmcloud, iij, iijdpf, infoblox, infomaniak, internetbs, inwx, ionos, ipv64, iwantmyname, joker, liara, lightsail, limacity, linode, liquidweb, loopia, luadns, mailinabox, manual, metaname, mijnhost, mittwald, mydnsjp, mythicbeasts, namecheap, namedotcom, namesilo, nearlyfreespeech, netcup, netlify, nicmanager, nifcloud, njalla, nodion, ns1, oraclecloud, otc, ovh, pdns, plesk, porkbun, rackspace, rcodezero, regru, rfc2136, rimuhosting, route53, safedns, sakuracloud, scaleway, selectel, selectelv2, servercow, shellrent, simply, sonic, stackpath, tencentcloud, transip, ultradns, variomedia, vegadns, vercel, versio, vinyldns, vkcloud, vscale, vultr, webnames, websupport, wedos, yandex, yandex360, yandexcloud, zoneee, zonomi

 More information: https://go-acme.github.io/lego/dns
 """
--- a/providers/dns/dns_providers.go
+++ b/providers/dns/dns_providers.go
@ -84,6 +84,7 @@ import (
 	"github.com/go-acme/lego/v4/providers/dns/mailinabox"
 	"github.com/go-acme/lego/v4/providers/dns/metaname"
 	"github.com/go-acme/lego/v4/providers/dns/mijnhost"
+	"github.com/go-acme/lego/v4/providers/dns/mittwald"
 	"github.com/go-acme/lego/v4/providers/dns/mydnsjp"
 	"github.com/go-acme/lego/v4/providers/dns/mythicbeasts"
 	"github.com/go-acme/lego/v4/providers/dns/namecheap"
@ -303,6 +304,8 @@ func NewDNSChallengeProviderByName(name string) (challenge.Provider, error) {
 		return metaname.NewDNSProvider()
 	case "mijnhost":
 		return mijnhost.NewDNSProvider()
+	case "mittwald":
+		return mittwald.NewDNSProvider()
 	case "mydnsjp":
 		return mydnsjp.NewDNSProvider()
 	case "mythicbeasts":
--- a/providers/dns/mittwald/internal/client.go
+++ b/providers/dns/mittwald/internal/client.go
@ -0,0 +1,206 @@
+package internal
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"time"
+
+	"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
+)
+
+const defaultBaseURL = "https://api.mittwald.de/v2/"
+
+const authorizationHeader = "Authorization"
+
+// Client the Mittwald client.
+type Client struct {
+	token string
+
+	baseURL    *url.URL
+	HTTPClient *http.Client
+}
+
+// NewClient Creates a new Client.
+func NewClient(token string) *Client {
+	baseURL, _ := url.Parse(defaultBaseURL)
+
+	return &Client{
+		token:      token,
+		baseURL:    baseURL,
+		HTTPClient: &http.Client{Timeout: 5 * time.Second},
+	}
+}
+
+// ListDomains List Domains.
+// https://api.mittwald.de/v2/docs/#/Domain/domain-list-domains
+func (c Client) ListDomains(ctx context.Context) ([]Domain, error) {
+	endpoint := c.baseURL.JoinPath("domains")
+
+	req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	var result []Domain
+	err = c.do(req, &result)
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+// GetDNSZone Get a DNSZone.
+// https://api.mittwald.de/v2/docs/#/Domain/dns-get-dns-zone
+func (c Client) GetDNSZone(ctx context.Context, zoneID string) (*DNSZone, error) {
+	endpoint := c.baseURL.JoinPath("dns-zones", zoneID)
+
+	req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	result := &DNSZone{}
+	err = c.do(req, result)
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+// ListDNSZones List DNSZones belonging to a Project.
+// https://api.mittwald.de/v2/docs/#/Domain/dns-list-dns-zones
+func (c Client) ListDNSZones(ctx context.Context, projectID string) ([]DNSZone, error) {
+	endpoint := c.baseURL.JoinPath("projects", projectID, "dns-zones")
+
+	req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	var result []DNSZone
+	err = c.do(req, &result)
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+// CreateDNSZone Create a DNSZone.
+// https://api.mittwald.de/v2/docs/#/Domain/dns-create-dns-zone
+func (c Client) CreateDNSZone(ctx context.Context, zone CreateDNSZoneRequest) (*DNSZone, error) {
+	endpoint := c.baseURL.JoinPath("dns-zones")
+
+	req, err := newJSONRequest(ctx, http.MethodPost, endpoint, zone)
+	if err != nil {
+		return nil, err
+	}
+
+	result := &DNSZone{}
+	err = c.do(req, result)
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+// UpdateTXTRecord Update a record set on a DNSZone.
+// https://api.mittwald.de/v2/docs/#/Domain/dns-update-record-set
+func (c Client) UpdateTXTRecord(ctx context.Context, zoneID string, record TXTRecord) error {
+	endpoint := c.baseURL.JoinPath("dns-zones", zoneID, "record-sets", "txt")
+
+	req, err := newJSONRequest(ctx, http.MethodPut, endpoint, record)
+	if err != nil {
+		return err
+	}
+
+	return c.do(req, nil)
+}
+
+// DeleteDNSZone Delete a DNSZone.
+// https://api.mittwald.de/v2/docs/#/Domain/dns-delete-dns-zone
+func (c Client) DeleteDNSZone(ctx context.Context, zoneID string) error {
+	endpoint := c.baseURL.JoinPath("dns-zones", zoneID)
+
+	req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
+	if err != nil {
+		return err
+	}
+
+	return c.do(req, nil)
+}
+
+func (c Client) do(req *http.Request, result any) error {
+	req.Header.Set(authorizationHeader, "Bearer "+c.token)
+
+	resp, err := c.HTTPClient.Do(req)
+	if err != nil {
+		return errutils.NewHTTPDoError(req, err)
+	}
+
+	defer func() { _ = resp.Body.Close() }()
+
+	if resp.StatusCode/100 != 2 {
+		return parseError(req, resp)
+	}
+
+	if result == nil {
+		return nil
+	}
+
+	raw, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return errutils.NewReadResponseError(req, resp.StatusCode, err)
+	}
+
+	err = json.Unmarshal(raw, result)
+	if err != nil {
+		return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
+	}
+
+	return nil
+}
+
+func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload any) (*http.Request, error) {
+	buf := new(bytes.Buffer)
+
+	if payload != nil {
+		err := json.NewEncoder(buf).Encode(payload)
+		if err != nil {
+			return nil, fmt.Errorf("failed to create request JSON body: %w", err)
+		}
+	}
+
+	req, err := http.NewRequestWithContext(ctx, method, endpoint.String(), buf)
+	if err != nil {
+		return nil, fmt.Errorf("unable to create request: %w", err)
+	}
+
+	req.Header.Set("Accept", "application/json")
+
+	if payload != nil {
+		req.Header.Set("Content-Type", "application/json")
+	}
+
+	return req, nil
+}
+
+func parseError(req *http.Request, resp *http.Response) error {
+	raw, _ := io.ReadAll(resp.Body)
+
+	var response APIError
+	err := json.Unmarshal(raw, &response)
+	if err != nil {
+		return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
+	}
+
+	return fmt.Errorf("[status code %d] %w", resp.StatusCode, response)
+}
--- a/providers/dns/mittwald/internal/client_test.go
+++ b/providers/dns/mittwald/internal/client_test.go
@ -0,0 +1,173 @@
+package internal
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func setupTest(t *testing.T, pattern string, handler http.HandlerFunc) *Client {
+	t.Helper()
+
+	mux := http.NewServeMux()
+	server := httptest.NewServer(mux)
+	t.Cleanup(server.Close)
+
+	mux.HandleFunc(pattern, handler)
+
+	client := NewClient("secret")
+	client.HTTPClient = server.Client()
+	client.baseURL, _ = url.Parse(server.URL)
+
+	return client
+}
+
+func testHandler(method string, statusCode int, filename string) http.HandlerFunc {
+	return func(rw http.ResponseWriter, req *http.Request) {
+		if req.Method != method {
+			http.Error(rw, fmt.Sprintf(`{"message":"unsupported method: %s"}`, req.Method), http.StatusMethodNotAllowed)
+			return
+		}
+
+		auth := req.Header.Get(authorizationHeader)
+		if auth != "Bearer secret" {
+			http.Error(rw, fmt.Sprintf("invalid API Token: %s", auth), http.StatusUnauthorized)
+			return
+		}
+
+		rw.WriteHeader(statusCode)
+
+		if statusCode == http.StatusNoContent {
+			return
+		}
+
+		file, err := os.Open(filepath.Join("fixtures", filename))
+		if err != nil {
+			http.Error(rw, fmt.Sprintf(`{"message":"%v"}`, err), http.StatusInternalServerError)
+			return
+		}
+
+		defer func() { _ = file.Close() }()
+
+		_, err = io.Copy(rw, file)
+		if err != nil {
+			http.Error(rw, fmt.Sprintf(`{"message":"%v"}`, err), http.StatusInternalServerError)
+			return
+		}
+	}
+}
+
+func TestClient_ListDomains(t *testing.T) {
+	client := setupTest(t, "/domains", testHandler(http.MethodGet, http.StatusOK, "domain-list-domains.json"))
+
+	domains, err := client.ListDomains(context.Background())
+	require.NoError(t, err)
+
+	require.Len(t, domains, 1)
+
+	expected := []Domain{{
+		Domain:    "string",
+		DomainID:  "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+		ProjectID: "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+	}}
+
+	assert.Equal(t, expected, domains)
+}
+
+func TestClient_ListDomains_error(t *testing.T) {
+	client := setupTest(t, "/domains", testHandler(http.MethodGet, http.StatusBadRequest, "error-client.json"))
+
+	_, err := client.ListDomains(context.Background())
+	require.EqualError(t, err, "[status code 400] ValidationError: Validation failed [format: should be string (.address.street, email)]")
+}
+
+func TestClient_ListDNSZones(t *testing.T) {
+	client := setupTest(t, "/projects/my-project-id/dns-zones", testHandler(http.MethodGet, http.StatusOK, "dns-list-dns-zones.json"))
+
+	zones, err := client.ListDNSZones(context.Background(), "my-project-id")
+	require.NoError(t, err)
+
+	require.Len(t, zones, 1)
+
+	expected := []DNSZone{{
+		ID:     "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+		Domain: "string",
+		RecordSet: &RecordSet{
+			TXT: &TXTRecord{},
+		},
+	}}
+
+	assert.Equal(t, expected, zones)
+}
+
+func TestClient_GetDNSZone(t *testing.T) {
+	client := setupTest(t, "/dns-zones/my-zone-id", testHandler(http.MethodGet, http.StatusOK, "dns-get-dns-zone.json"))
+
+	zone, err := client.GetDNSZone(context.Background(), "my-zone-id")
+	require.NoError(t, err)
+
+	expected := &DNSZone{
+		ID:     "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+		Domain: "string",
+		RecordSet: &RecordSet{
+			TXT: &TXTRecord{},
+		},
+	}
+
+	assert.Equal(t, expected, zone)
+}
+
+func TestClient_CreateDNSZone(t *testing.T) {
+	client := setupTest(t, "/dns-zones", testHandler(http.MethodPost, http.StatusCreated, "dns-create-dns-zone.json"))
+
+	request := CreateDNSZoneRequest{
+		Name:         "test",
+		ParentZoneID: "my-parent-zone-id",
+	}
+
+	zone, err := client.CreateDNSZone(context.Background(), request)
+	require.NoError(t, err)
+
+	expected := &DNSZone{
+		ID: "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+	}
+
+	assert.Equal(t, expected, zone)
+}
+
+func TestClient_UpdateTXTRecord(t *testing.T) {
+	client := setupTest(t, "/dns-zones/my-zone-id/record-sets/txt", testHandler(http.MethodPut, http.StatusNoContent, ""))
+
+	record := TXTRecord{
+		Settings: Settings{
+			TTL: TTL{Auto: true},
+		},
+		Entries: []string{"txt"},
+	}
+
+	err := client.UpdateTXTRecord(context.Background(), "my-zone-id", record)
+	require.NoError(t, err)
+}
+
+func TestClient_DeleteDNSZone(t *testing.T) {
+	client := setupTest(t, "/dns-zones/my-zone-id", testHandler(http.MethodDelete, http.StatusOK, ""))
+
+	err := client.DeleteDNSZone(context.Background(), "my-zone-id")
+	require.NoError(t, err)
+}
+
+func TestClient_DeleteDNSZone_error(t *testing.T) {
+	client := setupTest(t, "/dns-zones/my-zone-id", testHandler(http.MethodDelete, http.StatusInternalServerError, "error.json"))
+
+	err := client.DeleteDNSZone(context.Background(), "my-zone-id")
+	assert.EqualError(t, err, "[status code 500] InternalServerError: Something went wrong")
+}
--- a/providers/dns/mittwald/internal/fixtures/dns-create-dns-zone.json
+++ b/providers/dns/mittwald/internal/fixtures/dns-create-dns-zone.json
@ -0,0 +1,3 @@
+{
+  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6"
+}
--- a/providers/dns/mittwald/internal/fixtures/dns-get-dns-zone.json
+++ b/providers/dns/mittwald/internal/fixtures/dns-get-dns-zone.json
@ -0,0 +1,11 @@
+{
+  "domain": "string",
+  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+  "recordSet": {
+    "cname": {},
+    "combinedARecords": {},
+    "mx": {},
+    "srv": {},
+    "txt": {}
+  }
+}
--- a/providers/dns/mittwald/internal/fixtures/dns-list-dns-zones.json
+++ b/providers/dns/mittwald/internal/fixtures/dns-list-dns-zones.json
@ -0,0 +1,13 @@
+[
+  {
+    "domain": "string",
+    "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+    "recordSet": {
+      "cname": {},
+      "combinedARecords": {},
+      "mx": {},
+      "srv": {},
+      "txt": {}
+    }
+  }
+]
--- a/providers/dns/mittwald/internal/fixtures/domain-list-domains.json
+++ b/providers/dns/mittwald/internal/fixtures/domain-list-domains.json
@ -0,0 +1,74 @@
+[
+  {
+    "authCode": {
+      "expires": "2024-06-04T15:11:59.964Z",
+      "value": "string"
+    },
+    "authCode2": {
+      "expires": "2024-06-04T15:11:59.964Z"
+    },
+    "connected": true,
+    "deleted": true,
+    "domain": "string",
+    "domainId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+    "handles": {
+      "adminC": {
+        "current": {
+          "handleFields": [
+            {
+              "name": "string",
+              "value": "jnoFDyCBDHC&70Zp&2JMErZBq(),fnsYIvn_bOed5e_.vmsrZ3-IH )Ms)Xc13KDWy2WMH((mJ.-uY_NEBu/3MO8)3"
+            }
+          ],
+          "handleRef": "string"
+        },
+        "desired": {
+          "handleFields": [
+            {
+              "name": "string",
+              "value": "1odACmUIyjG Xa-uEX7R+f4,ykqpZ71FFLzkl8B87/+I@s0bVMxA"
+            }
+          ],
+          "handleRef": "string"
+        }
+      },
+      "ownerC": {
+        "current": {
+          "handleFields": [
+            {
+              "name": "string",
+              "value": "oklq/PU.yBrSFq) .Qx_Uqb8NBZnwA(9jk@x4w Dp6lLd&+a-A.oG5sHw(jcRSOyv0"
+            }
+          ],
+          "handleRef": "string"
+        },
+        "desired": {
+          "handleFields": [
+            {
+              "name": "string",
+              "value": "iwt.q,vygqXwZ0_HK+j3kuw/,A,Z)L1Jg&fNgIxWdBc1xnGj(pjj8YQX1DG 9M1/_Vaam,"
+            }
+          ],
+          "handleRef": "string"
+        }
+      }
+    },
+    "nameservers": [
+      "string"
+    ],
+    "processes": [
+      {
+        "error": "string",
+        "lastUpdate": "2024-06-04T15:11:59.973Z",
+        "processType": "UNSPECIFIED",
+        "state": "UNSPECIFIED",
+        "status": "string",
+        "statusCode": "string",
+        "transactionId": "string"
+      }
+    ],
+    "projectId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
+    "transferInAuthCode": "string",
+    "usesDefaultNameserver": true
+  }
+]
--- a/providers/dns/mittwald/internal/fixtures/error-client.json
+++ b/providers/dns/mittwald/internal/fixtures/error-client.json
@ -0,0 +1,14 @@
+{
+  "type": "ValidationError",
+  "message": "Validation failed",
+  "validationErrors": [
+    {
+      "message": "should be string",
+      "path": ".address.street",
+      "type": "format",
+      "context": {
+        "format": "email"
+      }
+    }
+  ]
+}
--- a/providers/dns/mittwald/internal/fixtures/error.json
+++ b/providers/dns/mittwald/internal/fixtures/error.json
@ -0,0 +1,4 @@
+{
+  "message": "Something went wrong",
+  "type": "InternalServerError"
+}
--- a/providers/dns/mittwald/internal/types.go
+++ b/providers/dns/mittwald/internal/types.go
@ -0,0 +1,82 @@
+package internal
+
+import "fmt"
+
+// https://api.mittwald.de/v2/docs/#/Domain/domain-list-domains
+
+type Domain struct {
+	Domain    string `json:"domain,omitempty"`
+	DomainID  string `json:"domainId,omitempty"`
+	ProjectID string `json:"projectId,omitempty"`
+}
+
+// https://api.mittwald.de/v2/docs/#/Domain/dns-list-dns-zones
+
+type DNSZone struct {
+	ID        string     `json:"id,omitempty"`
+	Domain    string     `json:"domain,omitempty"`
+	RecordSet *RecordSet `json:"recordSet,omitempty"`
+}
+
+type RecordSet struct {
+	TXT *TXTRecord `json:"txt"`
+}
+
+// https://api.mittwald.de/v2/docs/#/Domain/dns-create-dns-zone
+
+type CreateDNSZoneRequest struct {
+	Name         string `json:"name,omitempty"`
+	ParentZoneID string `json:"parentZoneId,omitempty"`
+}
+
+type NewDNSZone struct {
+	ID string `json:"id"`
+}
+
+// https://api.mittwald.de/v2/docs/#/Domain/dns-update-record-set
+
+type TXTRecord struct {
+	Settings Settings `json:"settings,omitempty"`
+	Entries  []string `json:"entries,omitempty"`
+}
+
+type Settings struct {
+	TTL TTL `json:"ttl"`
+}
+
+type TTL struct {
+	Seconds int  `json:"seconds,omitempty"`
+	Auto    bool `json:"auto,omitempty"`
+}
+
+// Error
+
+type APIError struct {
+	Type             string            `json:"type,omitempty"`
+	Message          string            `json:"message,omitempty"`
+	ValidationErrors []ValidationError `json:"validationErrors,omitempty"`
+}
+
+func (a APIError) Error() string {
+	msg := fmt.Sprintf("%s: %s", a.Type, a.Message)
+
+	if len(a.ValidationErrors) > 0 {
+		for _, validationError := range a.ValidationErrors {
+			msg += fmt.Sprintf(" [%s: %s (%s, %s)]",
+				validationError.Type, validationError.Message, validationError.Path, validationError.Context.Format)
+		}
+	}
+
+	return msg
+}
+
+type ValidationError struct {
+	Message string                 `json:"message,omitempty"`
+	Path    string                 `json:"path,omitempty"`
+	Type    string                 `json:"type,omitempty"`
+	Context ValidationErrorContext `json:"context,omitempty"`
+}
+
+type ValidationErrorContext struct {
+	Format string `json:"format,omitempty"`
+}
--- a/providers/dns/mittwald/mittwald.go
+++ b/providers/dns/mittwald/mittwald.go
@ -0,0 +1,241 @@
+// Package mittwald implements a DNS provider for solving the DNS-01 challenge using Mittwald.
+package mittwald
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"sync"
+	"time"
+
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
+	"github.com/go-acme/lego/v4/providers/dns/mittwald/internal"
+	"github.com/miekg/dns"
+)
+
+// Environment variables names.
+const (
+	envNamespace = "MITTWALD_"
+
+	EnvToken = envNamespace + "TOKEN"
+
+	EnvTTL                = envNamespace + "TTL"
+	EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
+	EnvPollingInterval    = envNamespace + "POLLING_INTERVAL"
+	EnvSequenceInterval   = envNamespace + "SEQUENCE_INTERVAL"
+	EnvHTTPTimeout        = envNamespace + "HTTP_TIMEOUT"
+)
+
+const minTTL = 300
+
+// Config is used to configure the creation of the DNSProvider.
+type Config struct {
+	Token              string
+	TTL                int
+	PropagationTimeout time.Duration
+	PollingInterval    time.Duration
+	SequenceInterval   time.Duration
+	HTTPClient         *http.Client
+}
+
+// NewDefaultConfig returns a default configuration for the DNSProvider.
+func NewDefaultConfig() *Config {
+	return &Config{
+		TTL:                env.GetOrDefaultInt(EnvTTL, minTTL),
+		PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, 2*time.Minute),
+		PollingInterval:    env.GetOrDefaultSecond(EnvPollingInterval, 10*time.Second),
+		SequenceInterval:   env.GetOrDefaultSecond(EnvSequenceInterval, 2*time.Minute),
+		HTTPClient: &http.Client{
+			Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
+		},
+	}
+}
+
+// DNSProvider implements the challenge.Provider interface.
+type DNSProvider struct {
+	config *Config
+	client *internal.Client
+
+	zoneIDs   map[string]string
+	zoneIDsMu sync.Mutex
+}
+
+// NewDNSProvider returns a DNSProvider instance configured for Mittwald.
+// Credentials must be passed in the environment variables: MITTWALD_TOKEN.
+func NewDNSProvider() (*DNSProvider, error) {
+	values, err := env.Get(EnvToken)
+	if err != nil {
+		return nil, fmt.Errorf("mittwald: %w", err)
+	}
+
+	config := NewDefaultConfig()
+	config.Token = values[EnvToken]
+
+	return NewDNSProviderConfig(config)
+}
+
+// NewDNSProviderConfig return a DNSProvider instance configured for Mittwald.
+func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
+	if config == nil {
+		return nil, errors.New("mittwald: the configuration of the DNS provider is nil")
+	}
+
+	if config.Token == "" {
+		return nil, errors.New("mittwald: some credentials information are missing")
+	}
+
+	if config.TTL < minTTL {
+		return nil, fmt.Errorf("mittwald: invalid TTL, TTL (%d) must be greater than %d", config.TTL, minTTL)
+	}
+
+	return &DNSProvider{
+		config:  config,
+		client:  internal.NewClient(config.Token),
+		zoneIDs: map[string]string{},
+	}, nil
+}
+
+// Timeout returns the timeout and interval to use when checking for DNS propagation.
+// Adjusting here to cope with spikes in propagation times.
+func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
+	return d.config.PropagationTimeout, d.config.PollingInterval
+}
+
+// Sequential All DNS challenges for this provider will be resolved sequentially.
+// Returns the interval between each iteration.
+func (d *DNSProvider) Sequential() time.Duration {
+	return d.config.SequenceInterval
+}
+
+// Present creates a TXT record to fulfill the dns-01 challenge.
+func (d *DNSProvider) Present(domain, token, keyAuth string) error {
+	ctx := context.Background()
+	info := dns01.GetChallengeInfo(domain, keyAuth)
+
+	zone, err := d.getOrCreateZone(ctx, info.EffectiveFQDN)
+	if err != nil {
+		return fmt.Errorf("mittwald: get effective zone: %w", err)
+	}
+
+	record := internal.TXTRecord{
+		Settings: internal.Settings{
+			TTL: internal.TTL{Seconds: d.config.TTL},
+		},
+		Entries: []string{info.Value},
+	}
+
+	err = d.client.UpdateTXTRecord(ctx, zone.ID, record)
+	if err != nil {
+		return fmt.Errorf("mittwald: update/add TXT record: %w", err)
+	}
+
+	d.zoneIDsMu.Lock()
+	d.zoneIDs[token] = zone.ID
+	d.zoneIDsMu.Unlock()
+
+	return nil
+}
+
+// CleanUp removes the TXT record matching the specified parameters.
+func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
+	ctx := context.Background()
+	info := dns01.GetChallengeInfo(domain, keyAuth)
+
+	// get the record's unique ID from when we created it
+	d.zoneIDsMu.Lock()
+	zoneID, ok := d.zoneIDs[token]
+	d.zoneIDsMu.Unlock()
+	if !ok {
+		return fmt.Errorf("mittwald: unknown zone ID for '%s'", info.EffectiveFQDN)
+	}
+
+	record := internal.TXTRecord{Entries: make([]string, 0)}
+
+	err := d.client.UpdateTXTRecord(ctx, zoneID, record)
+	if err != nil {
+		return fmt.Errorf("mittwald: update/delete TXT record: %w", err)
+	}
+
+	return nil
+}
+
+func (d *DNSProvider) getOrCreateZone(ctx context.Context, fqdn string) (*internal.DNSZone, error) {
+	domains, err := d.client.ListDomains(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("list domains: %w", err)
+	}
+
+	dom, err := findDomain(domains, fqdn)
+	if err != nil {
+		return nil, fmt.Errorf("find domain: %w", err)
+	}
+
+	zones, err := d.client.ListDNSZones(ctx, dom.ProjectID)
+	if err != nil {
+		return nil, fmt.Errorf("list DNS zones: %w", err)
+	}
+
+	for _, zone := range zones {
+		if zone.Domain == dns01.UnFqdn(fqdn) {
+			return &zone, nil
+		}
+	}
+
+	// Looking for parent zone to create a new zone for the subdomain.
+
+	parentZone, err := findZone(zones, fqdn)
+	if err != nil {
+		return nil, fmt.Errorf("find zone: %w", err)
+	}
+
+	subDomain, err := dns01.ExtractSubDomain(fqdn, parentZone.Domain)
+	if err != nil {
+		return nil, err
+	}
+
+	request := internal.CreateDNSZoneRequest{
+		Name:         subDomain,
+		ParentZoneID: parentZone.ID,
+	}
+
+	zone, err := d.client.CreateDNSZone(ctx, request)
+	if err != nil {
+		return nil, fmt.Errorf("create DNS zone: %w", err)
+	}
+
+	return zone, nil
+}
+
+func findDomain(domains []internal.Domain, fqdn string) (internal.Domain, error) {
+	labelIndexes := dns.Split(fqdn)
+
+	for _, index := range labelIndexes {
+		domain := dns01.UnFqdn(fqdn[index:])
+
+		for _, dom := range domains {
+			if dom.Domain == domain {
+				return dom, nil
+			}
+		}
+	}
+
+	return internal.Domain{}, fmt.Errorf("domain %s not found", fqdn)
+}
+
+func findZone(zones []internal.DNSZone, fqdn string) (internal.DNSZone, error) {
+	labelIndexes := dns.Split(fqdn)
+
+	for _, index := range labelIndexes {
+		domain := dns01.UnFqdn(fqdn[index:])
+
+		for _, zon := range zones {
+			if zon.Domain == domain {
+				return zon, nil
+			}
+		}
+	}
+
+	return internal.DNSZone{}, fmt.Errorf("zone %s not found", fqdn)
+}
--- a/providers/dns/mittwald/mittwald.toml
+++ b/providers/dns/mittwald/mittwald.toml
@ -0,0 +1,23 @@
+Name = "Mittwald"
+Description = ''''''
+URL = "https://www.mittwald.de/"
+Code = "mittwald"
+Since = "v1.48.0"
+
+Example = '''
+MITTWALD_TOKEN=my-token \
+lego --email you@example.com --dns mittwald --domains my.example.org run
+'''
+
+[Configuration]
+  [Configuration.Credentials]
+    MITTWALD_TOKEN = "API token"
+  [Configuration.Additional]
+    MITTWALD_POLLING_INTERVAL = "Time between DNS propagation check"
+    MITTWALD_PROPAGATION_TIMEOUT = "Maximum waiting time for DNS propagation"
+    MITTWALD_TTL = "The TTL of the TXT record used for the DNS challenge"
+    MITTWALD_HTTP_TIMEOUT = "API request timeout"
+    MITTWALD_SEQUENCE_INTERVAL = "Time between sequential requests"
+
+[Links]
+  API = "https://api.mittwald.de/v2/docs/"
--- a/providers/dns/mittwald/mittwald_test.go
+++ b/providers/dns/mittwald/mittwald_test.go
@ -0,0 +1,243 @@
+package mittwald
+
+import (
+	"testing"
+	"time"
+
+	"github.com/go-acme/lego/v4/platform/tester"
+	"github.com/go-acme/lego/v4/providers/dns/mittwald/internal"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+const envDomain = envNamespace + "DOMAIN"
+
+var envTest = tester.NewEnvTest(EnvToken).WithDomain(envDomain)
+
+func TestNewDNSProvider(t *testing.T) {
+	testCases := []struct {
+		desc     string
+		envVars  map[string]string
+		expected string
+	}{
+		{
+			desc: "success",
+			envVars: map[string]string{
+				EnvToken: "secret",
+			},
+		},
+		{
+			desc: "missing credentials",
+			envVars: map[string]string{
+				EnvToken: "",
+			},
+			expected: "mittwald: some credentials information are missing: MITTWALD_TOKEN",
+		},
+	}
+
+	for _, test := range testCases {
+		t.Run(test.desc, func(t *testing.T) {
+			defer envTest.RestoreEnv()
+			envTest.ClearEnv()
+
+			envTest.Apply(test.envVars)
+
+			p, err := NewDNSProvider()
+
+			if test.expected == "" {
+				assert.NoError(t, err)
+				assert.NotNil(t, p)
+			} else {
+				require.EqualError(t, err, test.expected)
+			}
+		})
+	}
+}
+
+func TestNewDNSProviderConfig(t *testing.T) {
+	testCases := []struct {
+		desc     string
+		token    string
+		ttl      int
+		expected string
+	}{
+		{
+			desc:  "success",
+			token: "secret",
+		},
+		{
+			desc:     "missing credentials",
+			expected: "mittwald: some credentials information are missing",
+		},
+		{
+			desc:     "invalid TTL",
+			token:    "secret",
+			ttl:      10,
+			expected: "mittwald: invalid TTL, TTL (10) must be greater than 300",
+		},
+	}
+
+	for _, test := range testCases {
+		t.Run(test.desc, func(t *testing.T) {
+			config := NewDefaultConfig()
+			config.Token = test.token
+
+			if test.ttl > 0 {
+				config.TTL = test.ttl
+			}
+
+			p, err := NewDNSProviderConfig(config)
+
+			if test.expected == "" {
+				assert.NoError(t, err)
+				assert.NotNil(t, p)
+			} else {
+				require.EqualError(t, err, test.expected)
+			}
+		})
+	}
+}
+
+func TestLivePresent(t *testing.T) {
+	if !envTest.IsLiveTest() {
+		t.Skip("skipping live test")
+	}
+
+	envTest.RestoreEnv()
+	provider, err := NewDNSProvider()
+	require.NoError(t, err)
+
+	err = provider.Present(envTest.GetDomain(), "", "123d==")
+	require.NoError(t, err)
+}
+
+func TestLiveCleanUp(t *testing.T) {
+	if !envTest.IsLiveTest() {
+		t.Skip("skipping live test")
+	}
+
+	envTest.RestoreEnv()
+	provider, err := NewDNSProvider()
+	require.NoError(t, err)
+
+	time.Sleep(2 * time.Second)
+
+	err = provider.CleanUp(envTest.GetDomain(), "", "123d==")
+	require.NoError(t, err)
+}
+
+func Test_findDomain(t *testing.T) {
+	domains := []internal.Domain{
+		{
+			Domain:    "example.com",
+			ProjectID: "a1",
+		},
+		{
+			Domain:    "foo.example.com",
+			ProjectID: "a2",
+		},
+		{
+			Domain:    "example.org",
+			ProjectID: "b1",
+		},
+		{
+			Domain:    "foo.example.org",
+			ProjectID: "b2",
+		},
+		{
+			Domain:    "test.example.org",
+			ProjectID: "b3",
+		},
+	}
+
+	testCases := []struct {
+		desc     string
+		fqdn     string
+		expected internal.Domain
+	}{
+		{
+			desc:     "exact match",
+			fqdn:     "example.org.",
+			expected: internal.Domain{Domain: "example.org", ProjectID: "b1"},
+		},
+		{
+			desc:     "1 level parent",
+			fqdn:     "_acme-challenge.test.example.org.",
+			expected: internal.Domain{Domain: "test.example.org", ProjectID: "b3"},
+		},
+		{
+			desc:     "2 levels parent",
+			fqdn:     "_acme-challenge.test.example.com.",
+			expected: internal.Domain{Domain: "example.com", ProjectID: "a1"},
+		},
+	}
+
+	for _, test := range testCases {
+		t.Run(test.desc, func(t *testing.T) {
+			t.Parallel()
+
+			domain, err := findDomain(domains, test.fqdn)
+			require.NoError(t, err)
+
+			assert.Equal(t, test.expected, domain)
+		})
+	}
+}
+
+func Test_findZone(t *testing.T) {
+	zones := []internal.DNSZone{
+		{
+			Domain: "example.com",
+			ID:     "a1",
+		},
+		{
+			Domain: "foo.example.com",
+			ID:     "a2",
+		},
+		{
+			Domain: "example.org",
+			ID:     "b1",
+		},
+		{
+			Domain: "foo.example.org",
+			ID:     "b2",
+		},
+		{
+			Domain: "test.example.org",
+			ID:     "b3",
+		},
+	}
+
+	testCases := []struct {
+		desc     string
+		fqdn     string
+		expected internal.DNSZone
+	}{
+		{
+			desc:     "exact match",
+			fqdn:     "example.org.",
+			expected: internal.DNSZone{Domain: "example.org", ID: "b1"},
+		},
+		{
+			desc:     "1 level parent",
+			fqdn:     "_acme-challenge.test.example.org.",
+			expected: internal.DNSZone{Domain: "test.example.org", ID: "b3"},
+		},
+		{
+			desc:     "2 levels parent",
+			fqdn:     "_acme-challenge.test.example.com.",
+			expected: internal.DNSZone{Domain: "example.com", ID: "a1"},
+		},
+	}
+
+	for _, test := range testCases {
+		t.Run(test.desc, func(t *testing.T) {
+			t.Parallel()
+
+			zone, err := findZone(zones, test.fqdn)
+			require.NoError(t, err)
+
+			assert.Equal(t, test.expected, zone)
+		})
+	}
+}