Apex domains cannot have CNAME records.
Question and response
Question
dig morzavira.com. NS
Answer
morzavira.com. 5 NS ns-1956.awsdns-52.co.uk.
morzavira.com. 5 NS ns-674.awsdns-20.net.
morzavira.com. 5 NS ns-328.awsdns-41.com.
morzavira.com. 5 NS ns-1507.awsdns-60.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0