Question and response
Question
dig send-mail4.xyz. AAAA
Answer
send-mail4.xyz. 600 AAAA 2600:3c0d:0:0:f03c:94ff:feaa:eb0f
Authority
send-mail4.xyz. 3600 NS ns72.domaincontrol.com.
send-mail4.xyz. 3600 NS ns71.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0