Try put service infront of bind for testing

deployments/dns/bind.yaml

@@ -122,3 +122,22 @@ spec:
         - name: root-hints
           emptyDir: {}
 
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: bind-master
+  namespace: dns
+spec:
+  selector:
+    app: bind-master
+  ports:
+    - name: dns-udp
+      port: 53
+      protocol: UDP
+      targetPort: 53
+    - name: dns-tcp
+      port: 53
+      protocol: TCP
+      targetPort: 53
+