diff --git a/dns_test.go b/dns_test.go
index bc8361f0..d5127bf2 100644
--- a/dns_test.go
+++ b/dns_test.go
@@ -111,6 +111,8 @@ func TestPack(t *testing.T) {
 			t.Fail()
 		}
 	}
+	ns := NewRR("pool.ntp.org.   390 IN  NS  a.ntpns.org")
+	t.Log("ns", ns.String())
 }
 
 func TestCompressLenght(t *testing.T) {
diff --git a/server.go b/server.go
index fa4eabad..1eef6034 100644
--- a/server.go
+++ b/server.go
@@ -141,9 +141,9 @@ func (mux *ServeMux) HandleRemove(pattern string) {
 func (mux *ServeMux) ServeDNS(w ResponseWriter, request *Msg) {
 	var h Handler
 	if len(request.Question) != 1 {
-		h = FailedHander()
+		h = FailedHandler()
 	} else {
-		if h = mux.match(request.Question[0].Name, request.Question[0].Qtype); h == nil
+		if h = mux.match(request.Question[0].Name, request.Question[0].Qtype); h == nil {
 			h = FailedHandler()
 		}
 	}