ns2-cf.eolo.it has no CNAME records.
Question and response
Question
dig ns2-cf.eolo.it. NS
Answer
The response has no answer records.
Authority
eolo.it. 379 SOA ns1-cf.eolo.it. dns.cloudflare.com. 2397588009 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0