nsrm.dnsitalia.net has no MX records.
Question and response
Question
dig nsrm.dnsitalia.net. MX
Answer
The response has no answer records.
Authority
dnsitalia.net. 180 SOA ns1.dnsitalia.net. info.interhost.it. 2024120900 3600 900 604800 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0