From 964ebe8ffa7b108f54220ba17dd31dbbf542da2e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A3=8E=E6=89=87=E6=BB=91=E7=BF=94=E7=BF=BC?=
 <Fangliding.fshxy@outlook.com>
Date: Sun, 19 Oct 2025 16:53:21 +0000
Subject: [PATCH] DNS Outbound: Return rcode2 when encountered internal err

---
 features/dns/client.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/features/dns/client.go b/features/dns/client.go
index 6eb4bd08..4ee5c5f9 100644
--- a/features/dns/client.go
+++ b/features/dns/client.go
@@ -68,5 +68,6 @@ func RCodeFromError(err error) uint16 {
 	if r, ok := cause.(RCodeError); ok {
 		return uint16(r)
 	}
-	return 0
+	// unknown error
+	return 2
 }