Apex domains cannot have CNAME records.
Question and response
Question
dig ovonicsbrand.com. NS
Answer
ovonicsbrand.com. 5 NS ns-752.awsdns-30.net.
ovonicsbrand.com. 5 NS ns-1229.awsdns-25.org.
ovonicsbrand.com. 5 NS ns-627.awsdns-14.net.
ovonicsbrand.com. 5 NS ns-1078.awsdns-06.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0