From d6b0673580db457ad37a61b205df68096ab460ee Mon Sep 17 00:00:00 2001
From: Viktor Liu <17948409+lixmal@users.noreply.github.com>
Date: Thu, 10 Apr 2025 10:38:47 +0200
Subject: [PATCH] [client] Support CNAME in local resolver (#3646)

---
 client/internal/dns/local.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/client/internal/dns/local.go b/client/internal/dns/local.go
index 3a25a23b6..76e18e3ce 100644
--- a/client/internal/dns/local.go
+++ b/client/internal/dns/local.go
@@ -71,6 +71,12 @@ func (d *localResolver) lookupRecords(r *dns.Msg) []dns.RR {
 
 	value, found := d.records.Load(key)
 	if !found {
+		// alternatively check if we have a cname
+		if question.Qtype != dns.TypeCNAME {
+			r.Question[0].Qtype = dns.TypeCNAME
+			return d.lookupRecords(r)
+		}
+
 		return nil
 	}