Determining Which Authoritative Sever to Use

[Bob Harold]

On Wed, May 11, 2022 at 1:50 PM Grant Taylor via bind-users <
bind-users at lists.isc.org> wrote:

> On 5/11/22 11:24 AM, Bob McDonald wrote:
> > It would seem that using an anycast cloud name (An anycast cloud
> > of the NS device IPs) for the MNAME might provide the same level of
> > distribution as per Windows.  However, again, you run into the issues
> > of forwarded updates.
>
> Another thing that I've seen discussed -- but haven't tested myself --
> is to play tricks like having the MNAME be it's own zone hosted on each
> DNS server wherein the zone resolves the MNAME to the local DNS server.
>
> This seems like a varient on anycasting, which operates on the IP layer.
>   Except this provides similar functionality at the DNS application layer.
>
> You could probably achieve similar results with an RPZ overriding the
> MNAME with the local server's IP address.
>
> }:-)
>
>
>
> --
> Grant. . . .
> unix || die
>
>
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;
}

Which I believe overrides the MNAME lookup.

-- 
Bob Harold
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