Apex domains cannot have CNAME records.
Question and response
Question
dig egozsolutions.com. NS
Answer
egozsolutions.com. 5 NS ns-1494.awsdns-58.org.
egozsolutions.com. 5 NS ns-833.awsdns-40.net.
egozsolutions.com. 5 NS ns-1828.awsdns-36.co.uk.
egozsolutions.com. 5 NS ns-1823.awsdns-35.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0