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

Thu Dec 4 01:34:00 UTC 2003

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?

--Adam