Zentyal Configure local recursive DNS for LAN systems

To configure Zentyal DNS service as local recursive DNS for LAN systems use:

ssh to zentyal as normal user and use "sudo su -" to get root access
Edit file '/etc/zentyal/dns.conf' (Path for this in below reference link is wrong) with
```
intnets = 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16
```
I could not find option to restart DNS service so I chose option to disable DNS service / module and then enable it again. When we do this the last module related to "Domain" functionality might also get disabled. Please enable it manually after enabling DNS.
If we have made typing / syntax error in the dns.conf file the disable/enable of DNS module should fail. We need to fix the file before we can disable/enable the module.
Then test the DNS using nslookup/dig from other LAN systems.

Refer:

Anonymous