192-255.135.137.209.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig 192-255.135.137.209.in-addr.arpa. NS

Answer

192-255.135.137.209.in-addr.arpa. 5 NS ns-1278.awsdns-31.org. 192-255.135.137.209.in-addr.arpa. 5 NS ns-248.awsdns-31.com. 192-255.135.137.209.in-addr.arpa. 5 NS ns-1016.awsdns-63.net. 192-255.135.137.209.in-addr.arpa. 5 NS ns-1989.awsdns-56.co.uk.

Authority

The response has no authority records.

Additional

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