only one question per query

coolDns.go

@@ -278,8 +278,13 @@ func handleRequest(w dns.ResponseWriter, r *dns.Msg, zone zoneView) {
 	m.SetReply(r)
 	m.Authoritative = true
 
-	// maybe only support one question per query like most servers do it ???
-	for _, q := range r.Question {
+	// Only support one question per query because all the other server also does that
+	if len(r.Question) != 1 {
+		rcodeRequest(w, r, dns.RcodeServerFailure)
+	}
+
+	q := r.Question[0]
+
 	rrs := zone.rr[q.Qtype]
 
 	// Handle ANY
@@ -339,7 +344,6 @@ func handleRequest(w dns.ResponseWriter, r *dns.Msg, zone zoneView) {
 			}
 		}
 	}
-	}
 
 	w.WriteMsg(m)
 }