bul.net CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig bul.net. NS

Answer

bul.net. 5 NS ns2.bul.net. bul.net. 5 NS ns1.bul.net. bul.net. 5 NS bsh1.bul.net.

Authority

The response has no authority records.

Additional

ns1.bul.net. 5 A 195.85.215.2 ns2.bul.net. 5 A 193.36.35.122 bsh1.bul.net. 5 A 195.85.215.10 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0