[SHAME] Spam Rats

Mark Andrews marka at isc.org
Thu Jan 10 04:41:27 UTC 2013

In message <50EE4113.2000906 at blakjak.net>, Mark Foster writes:
> On 10/01/13 17:15, Karl Auer wrote:
> > On Wed, 2013-01-09 at 21:14 -0600, Otis L. Surratt, Jr. wrote:
> >> FYI - I have a PTR for all IPs. Just general practice.
> > All IPs actually in use, or all possible IPs in a network? If the
> > latter, then it's not gunna fly for IPv6. Not at all. Not unless you
> > synthesise the responses - in which case there is no point to requiring
> > them anyway.
> >
> > Regards, K.
> $GENERATE, as someone else pointed out, solves that problem for you?
> (Does it scale for IPv6? I can't recall - but surely this could be
> scripted too.)

No. A /64 has 18,446,744,073,709,551,616 addresses.  Even if you
had machines that supported zettabytes of data the zone would never
load in human lifetimes.

> I though the point of doing so was to establish with some degree of
> accuracy that there were 'real people' behind the administration of said
> IP, and that there was a somewhat increased level of accountability as a
> result - which suggests there is infact a point.
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org

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