From b65f432ee02b1ad45224e97cf89e5144680b9d41 Mon Sep 17 00:00:00 2001
From: Philipp Klapp <philipp@klapp.cc>
Date: Sat, 1 Nov 2025 13:44:11 +0100
Subject: [PATCH] Normalize Hetzner zone names to punycode

---
 dnsapi/dns_hetznercloud.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/dnsapi/dns_hetznercloud.sh b/dnsapi/dns_hetznercloud.sh
index e5b5b0d6..e53ac23a 100644
--- a/dnsapi/dns_hetznercloud.sh
+++ b/dnsapi/dns_hetznercloud.sh
@@ -290,9 +290,15 @@ _hetznercloud_parse_zone_fields() {
   if [ -z "${zone_id}" ] || [ -z "${zone_name}" ]; then
     return 1
   fi
+  zone_name_trimmed=$(printf "%s" "${zone_name}" | sed 's/\.$//')
+  if zone_name_ascii=$(_idn "${zone_name_trimmed}"); then
+    zone_name="${zone_name_ascii}"
+  else
+    zone_name="${zone_name_trimmed}"
+  fi
   _hetznercloud_zone_id="${zone_id}"
   _hetznercloud_zone_name="${zone_name}"
-  _hetznercloud_zone_name_lc=$(printf "%s" "${zone_name}" | sed 's/\.$//' | _lower_case)
+  _hetznercloud_zone_name_lc=$(printf "%s" "${zone_name}" | _lower_case)
   return 0
 }