RT-DC.ru CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig RT-DC.ru. NS

Answer

RT-DC.ru. 5 NS ns2.ngenix-dns.net. RT-DC.ru. 5 NS ns1.ngenix-dns.net.

Authority

The response has no authority records.

Additional

ns1.ngenix-dns.net. 5 A 212.193.150.254 ns2.ngenix-dns.net. 5 A 212.193.151.254 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0