Apex domains cannot have CNAME records.
Question and response
Question
dig 247collisioncare.com. NS
Answer
247collisioncare.com. 5 NS ns-447.awsdns-55.com.
247collisioncare.com. 5 NS ns-337.awsdns-42.com.
247collisioncare.com. 5 NS ns-1354.awsdns-41.org.
247collisioncare.com. 5 NS ns-1057.awsdns-04.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0