Apex domains cannot have CNAME records.
Question and response
Question
dig cfcitalia.org. NS
Answer
cfcitalia.org. 1 NS ns2.cfcitalia.org.
cfcitalia.org. 1 NS ns1.cfcitalia.org.
Authority
The response has no authority records.
Additional
ns1.cfcitalia.org. 1 A 50.2.189.10
ns2.cfcitalia.org. 1 A 50.2.125.38
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0