sub192.55.136.210.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig sub192.55.136.210.in-addr.arpa. NS

Answer

sub192.55.136.210.in-addr.arpa. 5 NS ns.jp.betrend.com. sub192.55.136.210.in-addr.arpa. 5 NS ns.betrend.com.

Authority

The response has no authority records.

Additional

ns.jp.betrend.com. 5 A 210.153.89.42 ns.betrend.com. 5 A 52.197.195.60 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0