Delegation questions

[Barry S. Finkel]

On 8/11/2016 12:22 PM, bind-users-request at lists.isc.org wrote:
> I have a child domain that is delegated to a second site. Pretty
> straightforward situation. In the parent zone I have NS records that point
> to the DNS servers at the second site.
>
> The issue comes up when a slaved copy of the parent domain is running at a
> third site and that third site doesn't have a rule in their firewall
> allowing DNS access to the second site (where the child domain is
> delegated).
>
> The question is this; can I use stub zones to reference the child domain on
> the master server (instead of delegation) and the use forwarding at the
> third site to direct queries for the child domain through the master
> server?
>
> I hope the picture I've tried to describe is somewhat clear.
>
> Regards,
>
> Bob

I think that this has been proposed, but I am not sure.
Take the child zone from the third server and slave the
zone on your servers.  That way you have a copy of the
zone, and your customers can access the contents of that zone.

--Barry Finkel