How should I configure internal and external DNS servers

[Nick Howitt]

On 03/11/2023 17:17, Marco M. wrote:
> Am 03.11.2023 um 15:51:32 Uhr schrieb Nick Howitt via bind-users:
>
>> As this site is externally accessible as well, we also have to put an
>> identical entry in bind-external so we end up having many identical
>> entries in bind-internal and bind-external.
> It seems they people who set that up didn't understand the idea of a
> master and slave server.
> You have one master where changes are being made and optionally many
> slaves that get their zone information from that one master.
Err, no. We have two masters, one for the internal machines to use and 
one for external machines to use. The internal master has at least three 
slaves and the external master has at least 2 slaves. They are all 
authoritative.

My problem is the use of external IP's duplicated between the internal 
and external masters for some IPs/FQDNs which I want to get rid of.
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