Question and response
Question
dig biz.mail.ru. MX
Answer
biz.mail.ru. 600 MX 10 emx.mail.ru.
Authority
mail.ru. 600 NS ns1.mail.ru.
mail.ru. 600 NS ns2.mail.ru.
Additional
emx.mail.ru. 60 A 217.69.139.180
emx.mail.ru. 60 A 94.100.180.180
ns1.mail.ru. 600 A 217.69.139.112
ns1.mail.ru. 600 AAAA 2a00:1148:db00:0:0:0:0:2
ns2.mail.ru. 600 A 94.100.180.138
ns2.mail.ru. 600 AAAA 2a00:1148:db00:0:0:0:0:1
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0