Apex domains cannot have CNAME records.
Question and response
Question
dig mirafotografia.com. NS
Answer
mirafotografia.com. 4 NS ns-672.awsdns-20.net.
mirafotografia.com. 4 NS ns-305.awsdns-38.com.
mirafotografia.com. 4 NS ns-1672.awsdns-17.co.uk.
mirafotografia.com. 4 NS ns-1623.awsdns-10.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0