Apex domains cannot have CNAME records.
Question and response
Question
dig artinfernosh.com. NS
Answer
artinfernosh.com. 5 NS ns-1190.awsdns-20.org.
artinfernosh.com. 5 NS ns-1619.awsdns-10.co.uk.
artinfernosh.com. 5 NS ns-188.awsdns-23.com.
artinfernosh.com. 5 NS ns-196.awsdns-24.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0