Re: comcast ipv6 PTR

["Robert Webb" <rwebb () ropeguru com>]

On Wed, 9 Oct 2013 11:41:50 -0500
 Chris Adams <cma () cmadams net> wrote:
> Once upon a time, Blair Trosper <blair.trosper () gmail com> said:
> > Does anyone know why (or can someone from Comcast explain why) there 
> > is no
> > PTR on their residential/business IPv6 addresses?
>
> I believe business customers (with a static assignment) can request
> reverse DNS entries.  Residential customers are not guaranteed a 
> static
> assignment, so they can't get reverse set.
>
> --
> Chris Adams <cma () cmadams net>

But how would thet differ from the IPv4 address space which has PTR 
records for all their IP's? Just the shear number they would have to 
deal with in the IPv6 space?

Robert