Apex domains cannot have CNAME records.
Question and response
Question
dig skfl4949.com. NS
Answer
skfl4949.com. 2 NS ns-1509.awsdns-60.org.
skfl4949.com. 2 NS ns-855.awsdns-42.net.
skfl4949.com. 2 NS ns-33.awsdns-04.com.
skfl4949.com. 2 NS ns-839.awsdns-40.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0