Apex domains cannot have CNAME records.
Question and response
Question
dig evertonfc.com. NS
Answer
evertonfc.com. 3 NS auth4.dns.gxn.net.
evertonfc.com. 3 NS auth3.dns.gxn.net.
evertonfc.com. 3 NS auth1.dns.gxn.net.
evertonfc.com. 3 NS auth2.dns.gxn.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0