update ns.xai-corp.net playbook to include install bind utils

ansible-5/roles/ns.xai-corp.net/tasks/install_dependencies.yaml

@@ -0,0 +1,10 @@
+---
+# install dependencies for ns.xai-corp.net
+
+- name: install dependencies
+  apt:
+    name: "{{ item }}"
+    state: latest
+    cache_valid_time: 3600
+  with_items:
+    - bind9-dnsutils

ansible-5/roles/ns.xai-corp.net/tasks/main.yml

@@ -1,6 +1,6 @@
 ---
 # tasks/main.yml
-
+- include_tasks: install_dependencies.yaml
 - include_tasks: config_named.yaml
 
 # tests