From ff48a0ccb9475c5ddba0a66cf6d7ff9a81638344 Mon Sep 17 00:00:00 2001
From: Mitch Brown <mitch@mjbrowns.com>
Date: Wed, 4 Jan 2023 22:27:21 -0500
Subject: [PATCH] add IPV6 support to duckdns protocol

---
 ddclient.in | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ddclient.in b/ddclient.in
index 22580bb..7fa4c22 100755
--- a/ddclient.in
+++ b/ddclient.in
@@ -6445,7 +6445,11 @@ sub nic_duckdns_update {
         $url .= $h;
         $url .= "&token=";
         $url .= $config{$h}{'password'};
-        $url .= "&ip=";
+        if (is_ipv6($ip)) {
+            $url .= "&ipv6=";
+        } else {
+            $url .= "&ip=";
+        }
         $url .= $ip;