Question and response
Question
dig my.etelecom.ru. NS
Answer
my.etelecom.ru. 5 CNAME billing.etelecom.ru.
Authority
etelecom.ru. 1017 SOA ns.gblnet.ru. noc.etelecom.ru. 2026041444 10800 1200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0