From 6561b220b0408637992079ae0a55941e23955457 Mon Sep 17 00:00:00 2001
From: sheen-chenkai <chenkaikai@gmail.com>
Date: Wed, 10 Jul 2019 19:47:06 +0800
Subject: [PATCH] change  send multicast response  'from'  to 'inv4Addr'  or 
 'ipv6Addr'

---
 server.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/server.go b/server.go
index a33668d..7366004 100644
--- a/server.go
+++ b/server.go
@@ -227,7 +227,11 @@ func (s *Server) handleQuery(query *dns.Msg, from net.Addr) error {
 	}
 
 	if mresp := resp(false); mresp != nil {
-		if err := s.sendResponse(mresp, from, false); err != nil {
+		var dest = ipv4Addr
+		if ( from.String()[0] == '[' ){
+			dest = ipv6Addr
+		}
+		if err := s.sendResponse(mresp, dest, false); err != nil {
 			return fmt.Errorf("mdns: error sending multicast response: %v", err)
 		}
 	}