dns/application: Reconfigured creating zone directories using loop

roles/dns/application/tasks/main.yml

@@ -6,13 +6,15 @@
     name:
       - bind9
 
-- name: Create directory for zone databases
+- name: Create directories for zone databases
   file:
-    path: "{{ dns_zones_directory }}"
+    path: "{{ item }}"
     state: directory
     owner: root
     group: "{{ dns_user }}"
     mode: "u=rw,g=r,o=r"
+  loop:
+    - "{{ dns_zones_directory }}"
 
 - name: Configure bind9 options
   template: