[dns-wg] Reverse DNS operational considerations in an IPv6 environment

On Tuesday 15 June 2010 22:06:11 David Freedman wrote:
> > Reverse lookups for IPv6 addresses is a bit of a religious issue. IIRC
> > someone (Johan Ihren?) gave a presentation at a RIPE meeting a few
> > years ago and said it was best not to bother with any PTRs in the
> > reverse zones for IPv6 space. I think his argument was the world was
> > moving away from name-based access controls to things based on crypto
> > tokens, making reverse lookups pointless. That said, my mail server
> > does not accept inbound SMTP if the connecting host fails to have a
> > working reverse DNS entry: this is remarkably good at spam suppression.
>
> We for one welcome our new ID/LOC split overlords :)
>
> Still, you will need locator rDNS and the locator space will still be as
> big...
>

Sorry, but I understand nothing out of these phrases...

Kostas

> ------------------------------------------------
> David Freedman
> Group Network Engineering
> Claranet Limited
> http://www.clara.net