Question and response
Question
dig mail.GbLNET.ru. NS
Answer
mail.GbLNET.ru. 5 CNAME mx.GbLNET.ru.
Authority
gblnet.RU. 5005 SOA ns.gblnet.RU. vvv.gblnet.RU. 2026021901 10800 1200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0