[Samba] Removing DC's IP from the @ IN A DNS entries

[Robert Marcano]

On 8/6/21 12:18 PM, Daniel Berteaud via samba wrote:
> Hi
> 
> I'm running a Samba4 domain (AD style) with the internal DNS backend.
> Most things are working great but I have an issue : the DC's IP (I have two of them) are automaticaly added as @ IN A entries
> I want to set it to another host (mainly for web access which should point on my reverse proxy). I can add other @ IN A entry, but if I remove the ones corresponding to the DC, they are automatically added back a few minutes later. How can I avoid that ? AFAIK, DC are not required to be listed in the @ IN A entry

I am not sure that isn't required, because A/AAAA records on 
ad.example.com (being that your AD domain) should be resolvable or 
things like \\ad.example.com\resource (Windows) or 
smb://ad.example.com/resource (*nix) would not work, being resource some 
Distributed File System link to another server or servers

> 
> How can I handle this, and prevent the DC's IP to be added back ?
> 
> @ IN A 10.118.5.10   # This is the entry I've added, which should be the only one
> @ IN A 10.113.3.11   # This is the IP of the 1st DC, which is added back if removed
> @ IN A 10.113.3.12   # This is the IP of the 2nd DC, which is added back if removed
> 
> Regards,
> Daniel
> 
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