How should I configure internal and external DNS servers

[Marco M.]

Am 03.11.2023 um 17:58:51 Uhr schrieb Nick Howitt via bind-users:

> On 03/11/2023 17:54, Marco M. wrote:
> > Am 03.11.2023 um 17:48:32 Uhr schrieb Nick Howitt via bind-users:
> >  
> >> 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.  
> > Implement IPv6 and get rid of the old IPv4 technology for internal
> > communication.
> >
> > It is a big task, but after it is being done, many nasty stuff is
> > gone like NAT hairpinning or split-DNS.  
> Not remotely on the cards with 200+ servers and so on, I'm afraid.

You have to start at some time, rest is a matter of time.

> Some of the servers are too old, I think for IPv6 - SLES 11.

Already out of support. Such machines must not be connected to the
internet anymore because they are a security risk. Replace them with a
current operating system.