Apex domains cannot have CNAME records.
Question and response
Question
dig mimiclaire.com. NS
Answer
mimiclaire.com. 4 NS ns-1980.awsdns-55.co.uk.
mimiclaire.com. 4 NS ns-938.awsdns-53.net.
mimiclaire.com. 4 NS ns-1011.awsdns-62.net.
mimiclaire.com. 4 NS ns-1368.awsdns-43.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0