Apex domains cannot have CNAME records.
Question and response
Question
dig kaorin.net. NS
Answer
kaorin.net. 5 NS ns-1675.awsdns-17.co.uk.
kaorin.net. 5 NS ns-81.awsdns-10.com.
kaorin.net. 5 NS ns-2024.awsdns-61.co.uk.
kaorin.net. 5 NS ns-1732.awsdns-24.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0