Apex domains cannot have CNAME records.
Question and response
Question
dig esolabella.com. NS
Answer
esolabella.com. 5 NS ns2.esolabella.com.
esolabella.com. 5 NS ns1.esolabella.com.
Authority
The response has no authority records.
Additional
ns1.esolabella.com. 5 A 51.89.235.195
ns2.esolabella.com. 5 A 51.77.98.183
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0