PTR records for IPv6

Lorenzo Colitti lorenzo at
Mon Sep 2 02:30:48 CEST 2013

On Mon, Sep 2, 2013 at 8:46 AM, David Farmer <farmer at> wrote:

> However, in IPv4 some have required PTRs even on client and essentially
> every IPv4 address used on the Internet.  I think this has little value and
> would most definitely be a case of "we did it for v4 so it must be right
> for v6", not to mention the fact that /64 for all practical purposes is
> innumerable.

What's wrong with wildcard PTRs?

*.e.f.a.c.8.b.d. IN PTR
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