Determining Which Authoritative Sever to Use

[Bob Harold]

On Wed, May 11, 2022 at 4:34 PM Grant Taylor via bind-users <
bind-users at lists.isc.org> wrote:

> On 5/11/22 2:19 PM, Bob Harold wrote:
> > Not sure who set it up, but my DHCP servers have for some zones:
> >
> > zone x.y.z.in-addr.arpa
> > {
> >      primary 10.2.3.4;
> > }
>
> I'm assuming that is BIND's named.conf syntax.
>
> > Which I believe overrides the MNAME lookup.
>
> Doesn't that just tell BIND where to initiate a zone transfer from?
>
> I didn't think that it altered the zone contents in any way.
>
> Aside:  I'm not connecting the dots of what this has to do with the
> larger conversation, /unless/ you are thinking that it alters the zone
> contents or at least what's returned to clients querying this DNS server.
>
>
>
> --
> Grant. . . .
> unix || die
>
>
If DHCP clients are doing the dynamic DNS updates, then what I said is
irrelevant.
If the DHCP server is doing the dynamic DHCP updates for the clients, then
the DHCP server can be configured as shown (in /etc/dhcpd.conf) to tell
them what DNS server to use.  I use this because I trust the server more
than the clients, but I am sure there are more trade offs to consider.

-- 
Bob Harold
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