Apex domains cannot have CNAME records.
Question and response
Question
dig socialcities.it. NS
Answer
socialcities.it. 5 NS zeus.ns.cloudflare.com.
socialcities.it. 5 NS serena.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0