Apex domains cannot have CNAME records.
Question and response
Question
dig hardsupreme.com. NS
Answer
hardsupreme.com. 5 NS ns-226.awsdns-28.com.
hardsupreme.com. 5 NS ns-1198.awsdns-21.org.
hardsupreme.com. 5 NS ns-1936.awsdns-50.co.uk.
hardsupreme.com. 5 NS ns-2038.awsdns-62.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0