Apex domains cannot have CNAME records.
Question and response
Question
dig volvomotorsports.com. NS
Answer
volvomotorsports.com. 5 NS ns-1202.awsdns-22.org.
volvomotorsports.com. 5 NS ns-979.awsdns-58.net.
volvomotorsports.com. 5 NS ns-783.awsdns-33.net.
volvomotorsports.com. 5 NS ns-883.awsdns-46.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0