stackdata.net CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig stackdata.net. NS

Answer

stackdata.net. 5 NS ns-02.stackdata.net. stackdata.net. 5 NS ns-01.stackdata.net.

Authority

The response has no authority records.

Additional

ns-01.stackdata.net. 5 A 185.44.14.254 ns-02.stackdata.net. 5 A 185.44.15.254 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0