From 502fe6b0485a227a5b62391953bbb90fa3e4ad55 Mon Sep 17 00:00:00 2001
From: Star Brilliant <coder@poorlab.com>
Date: Wed, 7 Nov 2018 18:56:22 +0800
Subject: [PATCH] Use RCODE_REFUSED for unsupported Qclass

---
 doh-client/google.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doh-client/google.go b/doh-client/google.go
index a82a3e2..27b7467 100644
--- a/doh-client/google.go
+++ b/doh-client/google.go
@@ -46,7 +46,7 @@ func (c *Client) generateRequestGoogle(w dns.ResponseWriter, r *dns.Msg, isTCP b
 	questionClass := question.Qclass
 	if questionClass != dns.ClassINET {
 		reply := jsonDNS.PrepareReply(r)
-		reply.Rcode = dns.RcodeFormatError
+		reply.Rcode = dns.RcodeRefused
 		w.WriteMsg(reply)
 		return &DNSRequest{
 			err: &dns.Error{},