keensystems.net CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig keensystems.net. NS

Answer

keensystems.net. 5 NS auth1.keensystems.eu. keensystems.net. 5 NS auth3.keensystems.nl. keensystems.net. 5 NS auth2.keensystems.net.

Authority

The response has no authority records.

Additional

auth2.keensystems.net. 5 A 185.42.11.20 auth2.keensystems.net. 5 AAAA 2a01:5860:a000:0:0:11:20:1 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0