On Mon, Aug 15, 2011 at 8:44 AM, Dave Cridland <[email protected]> wrote: > On Sat Aug 13 23:34:56 2011, Josemar Müller Lohn wrote: >>> Is it valid to so: >>> _xmpp-client._tcp.alice.com. CNAME _xmpp-client.bob.com. >> >> You can only get a CNAME answer when you ask for an A record. > > I don't think that's true. > > I think it may well choke the resolvers in many XMPP implementations, mind, > but I think it ought to work according to the specifications. A CNAME merely > states to restart the resolution using the new name. > > Specifically, the requirement that a name with a CNAME record MUST NOT have > any other records (aside from certain DNSSEC ones) would appear to support > that.
Is this true? My understanding was that the target for an SRV record explicitly could not be a CNAME, and that the lookup done by XMPP was explicitly SRV. (That is: I don't believe it's valid) /K
