diff --git a/coolDns.go b/coolDns.go
index 6b1ff0b..9914591 100644
--- a/coolDns.go
+++ b/coolDns.go
@@ -360,6 +360,10 @@ func handleRequest(w dns.ResponseWriter, r *dns.Msg, zone zoneView) {
 		}
 	}
 
+	if len(m.Answer) == 0 {
+		m.SetRcode(m, dns.RcodeNameError)
+	}
+
 	w.WriteMsg(m)
 }