Bad aaaa from www.rt.com

[Erik Marcus Kline]

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 <ek at google.com> 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 <cb.list6 at gmail.com> 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
>>