--On Thursday, 27 March, 2008 09:00 +0200 Matti Aarnio <mea@xxxxxxxxxxxx> wrote: > > On Wed, Mar 26, 2008 at 10:46:37AM -0400, Tony Hansen wrote: >> > <Mark_Andrews@xxxxxxx> wrote: >> > >> >> ... >> >>> It would be needed until IPv6 takes over. >> >> It will be needed even *after* IPv6 takes over. There will >> >> be lots of queries for A records long after the majority >> >> of hosts don't have A records. >> >> >> >> We need to remove the implict MX from A to prevent the A >> >> record lookups occuring as things currently stand. > > There will be lots of legacy codes using legacy APIs for long > future. I do use getaddrinfo() API myself, and permit it do > all queries to get addresses. Thus it will also query for A > in addition to AAAA. It can even be ordered to ignore IPv4 or > IPv6 as sysadmin wants. > > For the future the previous "query for A record" should > possibly be altered to "query for network address (IPv6 AAAA > and/or IPv4 A)" or some such generic wording. That is approximately what it says (in 2821bis) now. It was saying that which touched off the thread of which this one is a descendant. john _______________________________________________ IETF mailing list IETF@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf