abchost.cz CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig abchost.cz. NS

Answer

abchost.cz. 5 NS nsa.coprosys.cz. abchost.cz. 5 NS nsb.coprosys.cz.

Authority

The response has no authority records.

Additional

nsa.coprosys.cz. 5 A 77.104.225.147 nsb.coprosys.cz. 5 A 178.23.232.45 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0