Mail.feinrohren.it has no CNAME records.
Question and response
Question
dig Mail.feinrohren.it. NS
Answer
The response has no answer records.
Authority
feinrohren.it. 3060 SOA ns3.contonuvolastore.impresasemplice.it. m\.rosa.feinrohren.it. 404836 7200 7200 2419200 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0