[Samba] internal DNS not forwarding

[Rowland penny]

On 14/07/2020 11:56, Andrea Ballarati via samba wrote:
> Hello,
> I am trying to setup a samba4 AD dc in my network using smb-tool.
> Everything seems to work except DNS forwarding.
> If I query for the dc
> root at dc:~# nslookup dc.local.domain.it
> I get the correct answer:
> root at dc:~# nslookup dc
> Server:         aaa.bbb.ccc.ddd
> Address:        aaa.bbb.ccc.ddd#53
>
> Name:   dc.xxxx.yyyy.it
> Address: aaa.bbb.ccc.ddd
>
> but if I query for an external domain:
> root at dc:~# nslookup www.nasa.gov
> Server:         aaa.bbb.ccc.ddd
> Address:      aaa.bbb.ccc.ddd#53
>
> Non-authoritative answer:
> *** Can't find www.nasa.gov: No answer
>
> Here is my smb.conf:
> [global]
>         workgroup = XXXX
>         realm = XXXX.YYYY.IT
>         netbios name = DC
>         server role = active directory domain controller
>         idmap_ldb:use rfc2307 = yes
>         dns forwarder = 8.8.8.8
>
> [netlogon]
>         path = /var/lib/samba/sysvol/xxxx.yyyy.it/scripts
>         read only = No
>
> [sysvol]
>         path = /var/lib/samba/sysvol
>         read only = No
>
> and my resolv.conf
>
> search xxxx.yyyy.it
> nameserver aaa.bbb.ccc.ddd
>
> Thank you in advance
> Andrea
>
Strange, it should work, can you ping Google (8.8.8.8) and www.nasa.gov ?

Could there be anything blocking access to the internet ( firewall etc) ?

Rowland