On Thu, Nov 06, 2014 at 09:41:57AM -0800, Paul Hoffman wrote: > I think Evan was proposing that home-ipv6-customer.isp.net would also exist, > so a PTR check that looked for *existence* would succeed, but one that looked > for *matching* would fail for most of those addresses. > > Do we know whether typical PTR checks look for existence or matching?
Matching could work, too, if they were able to compare prefixes rather than full addresses, but that's obviously a bigger leap. I suspect John is correct and the idea isn't practical. Alas. Thanks for the education, carry on. -- Evan Hunt -- e...@isc.org Internet Systems Consortium, Inc. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
