- Validate config as a task (Ansible's validate requires specifying the config file).

tasks/main.yml

@@ -35,7 +35,6 @@
       owner: root
       group: 0
       mode: 0o0644
-      validate: 'nsd-checkconf {{ nsd_conf }}'
   notify:
       - Restart NSD
 
@@ -49,7 +48,6 @@
       owner: root
       group: 0
       mode: 0o644
-      validate: 'nsd-checkconf {{ nsd_conf }}'
   notify:
       - Restart NSD
 
@@ -63,6 +61,10 @@
   notify:
       - Update SMTPd database
 
+- name: Validate config
+  command: 'nsd-checkconf {{ nsd_conf }}'
+  changed_when: False
+
 - name: Enable NSD
   service:
       name: nsd