Question and response
Question
dig Mx.ETELECOM.RU. NS
Answer
Mx.ETELECOM.RU. 5 CNAME mx.gblnet.RU.
Authority
GBLNET.RU. 6700 SOA ns.GBLNET.RU. vvv.GBLNET.RU. 2026022601 10800 1200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0