53.155.90.in-addr.arpa CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig 53.155.90.in-addr.arpa. NS

Answer

53.155.90.in-addr.arpa. 5 NS auth.primary-dns.co.uk. 53.155.90.in-addr.arpa. 5 NS auth.secondary-dns.co.uk.

Authority

The response has no authority records.

Additional

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