rev.linkbynet.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig rev.linkbynet.com. NS

Answer

rev.linkbynet.com. 5 NS ns2.linkbynet.com. rev.linkbynet.com. 5 NS ns1.linkbynet.com.

Authority

The response has no authority records.

Additional

ns1.linkbynet.com. 4 A 217.19.48.80 ns2.linkbynet.com. 4 A 217.19.60.80 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0