net64.255.45.218.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig net64.255.45.218.in-addr.arpa. NS

Answer

net64.255.45.218.in-addr.arpa. 4 NS ns2.ambisys.jp. net64.255.45.218.in-addr.arpa. 4 NS ns1.ambisys.jp.

Authority

The response has no authority records.

Additional

ns1.ambisys.jp. 4 A 210.175.226.118 ns2.ambisys.jp. 4 A 210.250.61.5 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0