[Samba] reverse DNS not working for some reason ...

Patrick Goetz pgoetz at math.utexas.edu
Wed Nov 3 09:51:09 UTC 2021

OK, I think this answers my question: this only works when using DHCP.

I'll try and follow the instructions on the Wiki page you sent me. I was 
trying to avoid this because we have another DHCP server running in the 
environment for laptops, etc..  That's my issue with AD -- it wants to 
take over everything. <:)

On 11/3/21 04:35, Rowland Penny via samba wrote:
> On Wed, 2021-11-03 at 04:24 -0500, Patrick Goetz via samba wrote:
>> On 11/3/21 03:46, Rowland Penny via samba wrote:
>>>> I'm OK with setting this up by hand, but not sure how to go about
>>>> doing
>>>> this. On the other hand, everything seems to be working without
>>>> the
>>>> PTR
>>>> records, maybe it's fine.
>>>> I haven't tried this, but if absolutely necessary I could
>>>> probably
>>>> set
>>>> up a zone file on my bind9 server for the Samba domain PTR
>>>> records,
>>>> and
>>>> the Samba DNS server could just refer the request to bind9. This
>>>> works
>>>> perfectly for A and CNAME records, never tried it with PTR (and
>>>> probably
>>>> won't unless it becomes an issue).
>>> No, please don't do that, you are not the first to think of doing
>>> it
>>> and it has never worked. If you must point your clients at the
>>> Bind9
>>> server, make it forward everything for the AD dns domain to a DC.
>> Sure, this makes sense. This still leaves me with no mechanism for
>> setting up PTR records when using the Samba built in DNS server
>> though.
>> Maybe this is all set up to only work with DHCP, in which case I
>> would
>> want to dig into using reservations so that machines have a
>> deterministic IP address. I know this isn't necessary with Dynamic
>> DNS,
>> but I haven't come around to trusting this yet.
> I have updated the wiki page I pointed you to, mainly by removing Bind9
> from the page title, it works with the internal dns server as well. I
> have been using this method since 2012, without any major problems.
> Rowland

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