Apex domains cannot have CNAME records.
Question and response
Question
dig varonxel.com. NS
Answer
varonxel.com. 5 NS ns-1005.awsdns-61.net.
varonxel.com. 5 NS ns-928.awsdns-52.net.
varonxel.com. 5 NS ns-953.awsdns-55.net.
varonxel.com. 5 NS ns-2025.awsdns-61.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0