Question and response
Question
dig SMS-USLUGI.RU. MX
Answer
sms-uslugi.ru. 86400 MX 10 mx.sms-uslugi.ru.
Authority
sms-uslugi.ru. 86400 NS ns2.zcdn.ru.
sms-uslugi.ru. 86400 NS ns1.zcdn.ru.
Additional
mx.sms-uslugi.ru. 86400 A 62.152.56.160
ns1.zcdn.ru. 120 A 91.90.212.21
ns2.zcdn.ru. 120 A 77.87.215.24
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0