192-255.166.106.59.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig 192-255.166.106.59.in-addr.arpa. NS

Answer

192-255.166.106.59.in-addr.arpa. 4 NS ns01.xbit.jp.

Authority

The response has no authority records.

Additional

ns01.xbit.jp. 2 A 59.106.35.125 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0