Question and response
Question
dig smtp-x2.argentina.net. AAAA
Answer
smtp-x2.argentina.net. 300 AAAA 2a01:4ff:f0:b480:0:0:0:1
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0