North American Network Operators Group
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Re: AOL rejecting mail from IP's w/o reverse DNS ?

  • From: Adam McKenna
  • Date: Wed Dec 03 13:12:42 2003 
On Wed, Dec 03, 2003 at 09:48:44AM -0800, Randy Bush wrote:
> > How can delegating in-addr.arpa on a per-ip basis be any different or worse
> > than delegating it using an rfc2317 scheme?
> 
> consider the label of the ns rr to delegate only 1.2.3.42

Do you mean ns.42.3.2.1.in-addr.arpa?  I still don't see what's wrong with
the following, or how it leads to cache poisoning or leaky name space.

42.3.2.1.in-addr.arpa IN NS ns.42.3.2.1.in-addr.arpa.
ns.42.3.2.1.in-addr.arpa IN A 5.6.7.86

--Adam