121.88.208.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig 121.88.208.in-addr.arpa. NS

Answer

121.88.208.in-addr.arpa. 3 NS ns2.datanap.net. 121.88.208.in-addr.arpa. 3 NS ns1.datanap.net.

Authority

The response has no authority records.

Additional

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