Question and response
Question
dig mx21.nic.ad.jp. AAAA
Answer
mx21.nic.ad.jp. 300 AAAA 2001:dc2:1000:2004:0:0:0:221
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0