From 2536639ef726063522442204ce7a8c493e086a54 Mon Sep 17 00:00:00 2001
From: Alvenix <AbdullahAlyan@yahoo.com>
Date: Thu, 4 Apr 2024 16:22:48 +0300
Subject: [PATCH] fix: use lower case domain string when using `resolve` and
 `resolve_to_addrs` (#2235)

---
 src/async_impl/client.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/async_impl/client.rs b/src/async_impl/client.rs
index 0d2361a92d..7d4454c63e 100644
--- a/src/async_impl/client.rs
+++ b/src/async_impl/client.rs
@@ -1744,7 +1744,7 @@ impl ClientBuilder {
     pub fn resolve_to_addrs(mut self, domain: &str, addrs: &[SocketAddr]) -> ClientBuilder {
         self.config
             .dns_overrides
-            .insert(domain.to_string(), addrs.to_vec());
+            .insert(domain.to_ascii_lowercase(), addrs.to_vec());
         self
     }