Apex domains cannot have CNAME records.
Question and response
Question
dig willssport.net. NS
Answer
willssport.net. 1 NS pns71.cloudns.net.
willssport.net. 1 NS pns73.cloudns.com.
willssport.net. 1 NS pns74.cloudns.uk.
willssport.net. 1 NS ns72.cloudns.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0