7.175.210.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig 7.175.210.in-addr.arpa. NS

Answer

7.175.210.in-addr.arpa. 4 NS ns4.odn.ne.jp. 7.175.210.in-addr.arpa. 4 NS ns2.odn.ne.jp.

Authority

The response has no authority records.

Additional

ns2.odn.ne.jp. 4 A 143.90.130.11 ns4.odn.ne.jp. 4 A 143.90.130.166 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0