Question and response
Question
dig mail.GBLNET.RU. NS
Answer
mail.GBLNET.RU. 5 CNAME mx.GBLNET.RU.
Authority
gblnet.ru. 2459 SOA ns.gblnet.ru. vvv.gblnet.ru. 2026021901 10800 1200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0