metronet.cz CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig metronet.cz. NS

Answer

metronet.cz. 5 NS ns1.metronet.cz. metronet.cz. 5 NS ns2.metronet.cz.

Authority

The response has no authority records.

Additional

ns1.metronet.cz. 5 A 46.234.123.41 ns2.metronet.cz. 5 A 78.110.208.2 ns1.metronet.cz. 5 AAAA 2a01:28:ca:258:0:0:0:2 ns2.metronet.cz. 5 AAAA 2a02:13bb:0:1:0:0:0:2 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0