Apex domains cannot have CNAME records.
Question and response
Question
dig infoilmeteo.com. NS
Answer
infoilmeteo.com. 4 NS ns-173.awsdns-21.com.
infoilmeteo.com. 4 NS ns-1790.awsdns-31.co.uk.
infoilmeteo.com. 4 NS ns-138.awsdns-17.com.
infoilmeteo.com. 4 NS ns-330.awsdns-41.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0