Apex domains cannot have CNAME records.
Question and response
Question
dig theexclusivedesignerexpo.com. NS
Answer
theexclusivedesignerexpo.com. 5 NS ns-109.awsdns-13.com.
theexclusivedesignerexpo.com. 5 NS ns-1697.awsdns-20.co.uk.
theexclusivedesignerexpo.com. 5 NS ns-1177.awsdns-19.org.
theexclusivedesignerexpo.com. 5 NS ns-1919.awsdns-47.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0