Question and response
Question
dig mx.SMS-USLUGI.RU. A
Answer
mx.sms-uslugi.ru. 86400 A 62.152.56.160
Authority
sms-uslugi.ru. 86400 NS ns2.zcdn.ru.
sms-uslugi.ru. 86400 NS ns1.zcdn.ru.
Additional
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