From 36bdbea5685726209d42b1f238b7f1c83b4b92f4 Mon Sep 17 00:00:00 2001
From: DaRK AnGeL <28630321+masterwishx@users.noreply.github.com>
Date: Mon, 16 Mar 2026 20:28:26 +0200
Subject: [PATCH] Deduplicate IPs before DNS record update

Remove duplicate IPs before updating DNS records to ensure stable input.
---
 src/updater.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/updater.rs b/src/updater.rs
index ae260dd..e4a4b36 100644
--- a/src/updater.rs
+++ b/src/updater.rs
@@ -65,8 +65,11 @@ pub async fn update_once(
         }
 
         // Update DNS records (env var mode - domain-based)
-        for (ip_type, domains) in &config.domains {
-            let ips = detected_ips.get(ip_type).cloned().unwrap_or_default();
+        for (ip_type, domains) in &config.domains {            
+            let mut ips = detected_ips.get(ip_type).cloned().unwrap_or_default();
+            // FIX: remove duplicates so CloudflareHandle::set_ips sees stable input
+            ips.sort();
+            ips.dedup();
             let record_type = ip_type.record_type();
 
             for domain_str in domains {