Question and response
Question
dig smtp.GBLNet.RU. NS
Answer
smtp.GBLNet.RU. 5 CNAME mx.GBLNet.RU.
Authority
gBlNEt.ru. 2456 SOA ns.gBlNEt.ru. vvv.gBlNEt.ru. 2026030201 10800 1200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0