From c67254085f7718cdc7f2191e1203101d3551b656 Mon Sep 17 00:00:00 2001
From: ale <ale@incal.net>
Date: Mon, 29 Apr 2024 09:45:52 +0100
Subject: [PATCH] Fix zone derivation from fqdn

---
 dns_challenge.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dns_challenge.go b/dns_challenge.go
index 7e067f3..b2f111b 100644
--- a/dns_challenge.go
+++ b/dns_challenge.go
@@ -87,8 +87,8 @@ func (d *dnsValidator) client() *dns.Client {
 }
 
 func (d *dnsValidator) Fulfill(ctx context.Context, client *acme.Client, domain string, chal *acme.Challenge) (func(), error) {
-	zone := domain[strings.Index(domain, ".")+1:]
 	fqdn := dns.Fqdn(domain)
+	zone := domain[strings.Index(fqdn, ".")+1:]
 	value, err := client.DNS01ChallengeRecord(chal.Token)
 	if err != nil {
 		return nil, err
-- 
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