[125991] in North American Network Operators' Group
Re: [Nanog] Re: IPv6 rDNS - how will it be done?
daemon@ATHENA.MIT.EDU (John Levine)
Tue Apr 27 21:48:45 2010
Date: 28 Apr 2010 01:46:57 -0000
From: John Levine <johnl@iecc.com>
To: nanog@nanog.org
In-Reply-To: <C4604CA7-C3DC-4B34-943E-D68108153AF7@virtualized.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
>Hmm. A macro expansion for a /48 would mean
>1,208,925,819,614,629,174,706,176 leaves. An interesting stress test
>for name servers... :-).
My inclination would be to use a wildcard that returns something like
not-in-service.some-network.net, and let the clients add records for
the addresses they use.
For spoof resistance, how about doing a forward lookup on the
purported name and only installing it if it gets a matching AAAA
record?
R's,
John
