0.93.123.212.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig 0.93.123.212.in-addr.arpa. NS

Answer

0.93.123.212.in-addr.arpa. 4 NS hdns2.tiscali.it. 0.93.123.212.in-addr.arpa. 4 NS hdns.tiscali.it.

Authority

The response has no authority records.

Additional

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