On Sat, May 3, 2014 at 8:13 PM, Chris Adams <c...@cmadams.net> wrote:
> You left out the authority section that refers you to the correct DNS > servers - ns[1-6].hp.com are not it. They delegate to another set of HP > servers, which all time out (as stated by the OP) when asked for AAAA. > Actually the OP said that it returned SERVFAIL, which the HP servers don't, but Googles public DNS server (and potentially others) does. > Oddly, it seems to be specific to AAAA; any other type request I send > comes back NOERROR correctly. It is like somebody tried to handle AAAA > "special" and screwed it up. > This isn't new. RFC 4074 from 2005 covers this exact issue. From memory, this is/was the default behavior for DJBDNS. Scott