Re: AOL rejecting mail from IP's w/o reverse DNS ?

[Crist Clark <crist.clark () globalstar com>]

Adam McKenna wrote:
> On Wed, Dec 03, 2003 at 09:53:37AM -0800, Adam McKenna wrote:
> > 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
>
> Eight hours later, and I'm still waiting for a reply on this.  Were the
> original attacks by Pete Ehlke warranted, or would he care to retract his
> statements?

  $ dig 3.2.1.in-addr.arpa soa

  $ dig 42.3.2.1.in-addr.arpa soa

-- 
Crist J. Clark                               crist.clark () globalstar com
Globalstar Communications                                (408) 933-4387

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