[Samba] Samba AD not resolving external names

[Peter Pollock]

After reboot, the problem came back again.

Server refuses to resolve external names without "nameserver 8.8.8.8" in
resolv.conf and gives the same SERVFAIL message when doing nslookup



On Sat, Sep 5, 2020 at 9:02 AM Philip Offermans via samba <
samba at lists.samba.org> wrote:

> I think it’s the cache. When you where sleeping the cache got updated. But
> I can be wrong
>
> Philip
>
> > On 5 Sep 2020, at 12:35, Rowland penny via samba <samba at lists.samba.org>
> wrote:
> >
> > On 05/09/2020 09:53, Peter Pollock via samba wrote:
> >> I have just set up a new AD and am having a little success with it, but
> DNS
> >> resolution is a little slow.
> >>
> >> I'm looking into why that is and tried an ns lookup for google.com and
> got
> >> the answer SERVFAIL on my AD server.
> >>
> >> The query was then passed to my next nameserver (google's own dns),
> which
> >> handled the query.
> >>
> >> Is this correct behaviour? I've not seen SERVFAIL before
> >>
> >> itadmin at dc02:~$ nslookup google.com
> >> ;; Got SERVFAIL reply from 192.168.4.5, trying next server
> >> Server:         8.8.8.8
> >> Address:        8.8.8.8#53
> >>
> >> Non-authoritative answer:
> >> Name:   google.com
> >> Address: 216.58.195.78
> >> ;; Got SERVFAIL reply from 192.168.4.5, trying next server
> >> Name:   google.com
> >> Address: 2607:f8b0:4005:80b::200e
> >
> > Is this on the DC or a client ?
> >
> > On my DC I get this:
> >
> > adminuser at kdsdc:~$ nslookup google.com <http://google.com/>
> > Server:        192.168.0.10
> > Address:    192.168.0.10#53
> >
> > Non-authoritative answer:
> > Name:    google.com <http://google.com/>
> > Address: 216.58.204.46
> > Name:    google.com <http://google.com/>
> > Address: 2a00:1450:4009:807::200e
> >
> > Rowland
> >
> >
> >
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