Question and response
Question
dig ps.21.OML.RU. NS
Answer
ps.21.OML.RU. 5 CNAME psapi.megagroup.RU.
Authority
megagroup.ru. 1060 SOA ns1.megagroup.ru. dnsmaster.megagroup.ru. 2026031201 21600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0