Apex domains cannot have CNAME records.
Question and response
Question
dig markirksalon.com. NS
Answer
markirksalon.com. 5 NS ns-1684.awsdns-18.co.uk.
markirksalon.com. 5 NS ns-625.awsdns-14.net.
markirksalon.com. 5 NS ns-504.awsdns-63.com.
markirksalon.com. 5 NS ns-1837.awsdns-37.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0