45.238.178.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig 45.238.178.in-addr.arpa. NS

Answer

45.238.178.in-addr.arpa. 2 NS ns3.master.cz. 45.238.178.in-addr.arpa. 2 NS ns1.master.cz. 45.238.178.in-addr.arpa. 2 NS ns2.master.cz.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0