[78691] in North American Network Operators' Group
Re: Delegating /24's from a /19
daemon@ATHENA.MIT.EDU (Pete Templin)
Wed Mar 16 09:20:37 2005
Date: Wed, 16 Mar 2005 08:20:07 -0600
From: Pete Templin <petelists@templin.org>
To: Robert Bonomi <bonomi@mail.r-bonomi.com>
Cc: nanog@merit.edu
In-Reply-To: <200503152040.j2FKe8p8001524@host122.r-bonomi.com>
Errors-To: owner-nanog@merit.edu
Robert Bonomi wrote:
> OK, what am I missing?
>
> *ASSUMPTION*:
> The holder of the /16 _has_ delegated rDNS for the 32 /24s to the /19 owner.
>
> The /19 owner can, on it's nameserver, run an "authoritative" zone for
> the /16 -- with _its_ /24s listed explicitly, and a wildcard pointing
> back to the rDNS nameserver of the /16 owner.
>
> "He who" queries from the outside world will work their way down from the
> .arpa zone, to the X.W.in-addr.arpa zone, get referred to the nameserver
> at "thiscompany", and get referred to the NS listed for Y.X.W.in-addr.arpa.
> which will resolve Z.Y.X.W.in-addr.arpa.
I'm not as versed in DNS protocols as I was in the past (which then
didn't compare to some on this list), but won't this cause tons of "lame
server" messages that could be eliminated by proper SWIPping?
pt
