Mail is all this discussion is in the context of On Friday, January 11, 2013, Karl Auer wrote:
> On Thu, 2013-01-10 at 20:23 +0530, Suresh Ramasubramanian wrote: > > Unused space generally gets a $generate type generic scripted runs which > > could be whatever, like ip-ad-dr-ess.example.com > > Nothing that actually stores actual RRs will scale to the number of > addresses available in IPv6. > > If you want a PTR for every possible address in your network, or even > just every possible address in a single /64 subnet then you are SOL as > far as IPv6 is concerned. The only way to do it is to fake it - for > example by synthesising responses on the fly. You can't cache the > synthesised responses either, that would be inviting a DoS. > > I said this would be "pointless" because if providing RRs were as simple > as synthesising one on request, then the presence of a PTR record would > no longer be a meaningful indicator of cluefulness (not that it is now > IMHO, but opinions clearly differ on that). > > > As for v6 how popular do you see it getting for mail? > > Well - at least as popular as IPv4 - eventually :-) > > Regards, K. > > > -- > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Karl Auer (ka...@biplane.com.au <javascript:;>) > http://www.biplane.com.au/kauer > http://www.biplane.com.au/blog > > GPG fingerprint: B862 FB15 FE96 4961 BC62 1A40 6239 1208 9865 5F9A > Old fingerprint: AE1D 4868 6420 AD9A A698 5251 1699 7B78 4EEE 6017 > > > > -- --srs (iPad)
