[Samba] Samba and DNS backend question

Rowland penny rpenny at samba.org
Fri May 15 12:42:37 UTC 2020

On 15/05/2020 13:37, Miguel Angel Coa M. via samba wrote:
> I had configured Samba AD's with Bind9_DLZ in all DC. But for some reason
> (i couldn't determine) three (sambadc02,03,04) AD's responded very slowly
> . So change to Samba_Internal backend into the servers with problem and
> works fine.
> sambadc01 -> with FSMO roles - Bind9_DLZ
> sambadc02 -> Samba_Internal
> sambadc03 -> Samba_Internal
> sambadc04 -> Samba_Internal
> My question is: ¿The DNS backend can be different between Ad's? ¿can affect
> the performance?
> Saludos.
> ---
> Miguel Coa M.

It shouldn't matter what dns backend you use, they both work on the same 
records in AD. Whilst Bind9 might be slightly slower (milliseconds), it 
shouldn't  be noticeable, perhaps if you post your named.conf files and 
tell us your OS, we may be able to help.


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