Apex domains cannot have CNAME records.
Question and response
Question
dig itariancommunication.com. NS
Answer
itariancommunication.com. 5 NS ns-1223.awsdns-24.org.
itariancommunication.com. 5 NS ns-1728.awsdns-24.co.uk.
itariancommunication.com. 5 NS ns-212.awsdns-26.com.
itariancommunication.com. 5 NS ns-848.awsdns-42.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0