Delegation, parenting, and slaves/stubs
Barry Margolin
barmar at alum.mit.edu
Fri May 19 02:10:27 UTC 2006
In article <e4i4t2$2j9u$1 at sf1.isc.org>,
"Norman Joseph" <norman.pb.joseph at gmail.com> wrote:
> We run a split DNS setup, with separate external DNS authority for our
> public face, and internal DNS authority behind a firewall, with
> forwarders for external resolution. Internally, the authoritative DNS
> servers for forward & reverse zones are Linux, but subdelegations from
> these zones are made to internal Windows boxes.
>
> When we delegate a subdomain (forward or reverse), is it necessary for
> the parent zone servers to also run slave zones for the delegation? If
> not necessary, is there any benefit in doing so? And does it matter
> whether you use a "slave" zone or a "stub" zone for this purpose?
You need to configure the parent servers as slaves for the subzones or
add forward zones for them. Otherwise, when the server needs to recurse
for a subdomain, it will send to its forwarders, which are outside and
can't access the internal Windows boxes.
--
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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