Delegating /24's from a /19

Wed Mar 16 14:20:07 UTC 2005

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