https://tools.ietf.org/html/rfc6147#section-5.1.4
Thought technically it's just a SHOULD, I recall implementing something about this. On 7 July 2016 at 13:00, Erik Marcus Kline <[email protected]> wrote: > prompt$ dig +short @publicdns64.google.com -t AAAA www.rt.com > 64:ff9b::cff4:50a6 > > On 7 July 2016 at 12:22, Ca By <[email protected]> wrote: >> Anyone have a contact at www.rt.com that can encourage them to to delete >> their bad aaaa ? >> >> This is breaking nat64 users who see a aaaa so no dns64 is being done. >> >> Shared from ISC Dig for iOS >> >> ; <<>> DiG 9.10.4 <<>> @fe80::4c60:deff:fee6:b019 @192.168.1.1 www.rt.com >> aaaa +sit +dnssec +noqr +multiline >> ; (1 server found) >> ;; global options: +cmd >> ;; Got answer: >> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4367 >> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 >> >> ;; OPT PSEUDOSECTION: >> ; EDNS: version: 0, flags: do; udp: 512 >> ;; QUESTION SECTION: >> ;www.rt.com. IN AAAA >> >> ;; ANSWER SECTION: >> www.rt.com. 10 IN AAAA ::ffff:37.48.108.112 >> >> >> ;; Query time: 298 msec >> ;; SERVER: 192.168.1.1#53(192.168.1.1) >> ;; WHEN: Wed Jul 06 20:19:34 PDT 2016 >> ;; MSG SIZE rcvd: 67 >>
