tvujweb.cz CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig tvujweb.cz. NS

Answer

tvujweb.cz. 2 NS ns.tvujweb.com. tvujweb.cz. 2 NS ns2.tvujweb.cz.

Authority

The response has no authority records.

Additional

ns2.tvujweb.cz. 2 A 109.123.220.5 ns2.tvujweb.cz. 2 AAAA 2001:1528:103:0:0:0:220:5 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0