Question and response
Question
dig smtp.gBLNET.ru. NS
Answer
smtp.gBLNET.ru. 5 CNAME mx.gBLNET.ru.
Authority
gBLNET.ru. 372 SOA ns.gBLNET.ru. vvv.gBLNET.ru. 2026030201 10800 1200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0