Reverse DNS Delegation howto?

[Mark Andrews]

> I've run into a problem with delegating reverse DNS using BIND 8.2.4 that I
> can't figure out and I'm hoping for some guidance.
> 
> I have a couple of blocks delegated to me as w.x.y.0/23 which I handle with a
> couple of zones 1) y.x.w.in-addr.arpa and 2) y+1.x.w.in-addr.arpa.
> 
> Now I want to delegate the second zone to an outsourced dns service and I
> can't quite see how to do it.
> 
> If I create a zone file for y+1.x.w.in-addr.arpa with the following NS record
> s:
> 
> y+1.x.w.in-addr.arpa IN NS ns1.remotedomain.tld.
> y+1.x.w.in-addr.arpa IN NS ns2.remotedomain.tld.
> 
> It doesn't work and these records are not in named_dump.db although the soa
> record is.  I figure this is because you aren't allowed to delegate a zone
> twice and the y+1.x.w.in-addr.arpa zone has already been delegated once by my
> upstream ISP.  Yes/No?
> 
> Is there a correct way to accomplish this or will I have to get this done by
> my upstream ISP?

	You get the parent to update the delegation.
> 
> Any help is greatly appreciated.
> 
> --
> Jim Flowers<jflowers at ezo.net>
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org