Question and response
Question
dig caravan.ru. MX
Answer
caravan.ru. 3600 MX 10 mx.caravan.ru.
Authority
caravan.ru. 3600 NS sns2.rsnx.ru.
caravan.ru. 3600 NS sns1.rsnx.ru.
Additional
mx.caravan.ru. 3600 A 89.253.197.14
sns1.rsnx.ru. 3600 A 89.253.252.11
sns2.rsnx.ru. 3600 A 195.2.69.96
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0