mail.raponi.it has no CNAME records.
Question and response
Question
dig mail.raponi.it. NS
Answer
The response has no answer records.
Authority
raponi.it. 10800 SOA ns1.mclink-net.it. postmaster.mclink.it. 2023011900 10800 3600 1209600 14400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0