Apex domains cannot have CNAME records.
Question and response
Question
dig aoscufe.com. NS
Answer
aoscufe.com. 5 NS ns-1518.awsdns-61.org.
aoscufe.com. 5 NS ns-292.awsdns-36.com.
aoscufe.com. 5 NS ns-971.awsdns-57.net.
aoscufe.com. 5 NS ns-1718.awsdns-22.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0