Apex domains cannot have CNAME records.
Question and response
Question
dig artjr27sh.com. NS
Answer
artjr27sh.com. 5 NS ns-998.awsdns-60.net.
artjr27sh.com. 5 NS ns-1248.awsdns-28.org.
artjr27sh.com. 5 NS ns-1994.awsdns-57.co.uk.
artjr27sh.com. 5 NS ns-301.awsdns-37.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0