diff --git a/acme/dns_challenge.go b/acme/dns_challenge.go
index 906a219e..83fc45be 100644
--- a/acme/dns_challenge.go
+++ b/acme/dns_challenge.go
@@ -106,3 +106,21 @@ func checkDNS(domain, fqdn string) bool {
 
 	return false
 }
+
+// toFqdn converts the name into a fqdn appending a trailing dot.
+func toFqdn(name string) string {
+	n := len(name)
+	if n == 0 || name[n-1] == '.' {
+		return name
+	}
+	return name + "."
+}
+
+// unFqdn converts the fqdn into a name removing the trailing dot.
+func unFqdn(name string) string {
+	n := len(name)
+	if n != 0 && name[n-1] == '.' {
+		return name[:n-1]
+	}
+	return name
+}
diff --git a/acme/dns_challenge_cloudflare.go b/acme/dns_challenge_cloudflare.go
index 8fbe947a..4781ec5b 100644
--- a/acme/dns_challenge_cloudflare.go
+++ b/acme/dns_challenge_cloudflare.go
@@ -123,22 +123,6 @@ func newTxtRecord(zoneID, fqdn, value string, ttl int) *cloudflare.Record {
 	}
 }
 
-func toFqdn(name string) string {
-	n := len(name)
-	if n == 0 || name[n-1] == '.' {
-		return name
-	}
-	return name + "."
-}
-
-func unFqdn(name string) string {
-	n := len(name)
-	if n != 0 && name[n-1] == '.' {
-		return name[:n-1]
-	}
-	return name
-}
-
 // TTL must be between 120 and 86400 seconds
 func sanitizeTTL(ttl int) int {
 	switch {
diff --git a/acme/dns_challenge_dnsimple_test.go b/acme/dns_challenge_dnsimple_test.go
index 9dcc8829..0f51afdd 100644
--- a/acme/dns_challenge_dnsimple_test.go
+++ b/acme/dns_challenge_dnsimple_test.go
@@ -10,9 +10,9 @@ import (
 
 var (
 	dnsimpleLiveTest bool
-	dnsimpleEmail  string
-	dnsimpleAPIKey string
-	dnsimpleDomain string
+	dnsimpleEmail    string
+	dnsimpleAPIKey   string
+	dnsimpleDomain   string
 )
 
 func init() {