Apex domains cannot have CNAME records.
Question and response
Question
dig clazel.net. NS
Answer
clazel.net. 5 NS ns-727.awsdns-26.net.
clazel.net. 5 NS ns-874.awsdns-45.net.
clazel.net. 5 NS ns-1910.awsdns-46.co.uk.
clazel.net. 5 NS ns-541.awsdns-03.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0