ip-199-161.sn1.clouditalia.com has no MX records.
Question and response
Question
dig ip-199-161.sn1.clouditalia.com. MX
Answer
The response has no answer records.
Authority
sn1.clouditalia.com. 86400 SOA mnt1.eutelia.it. hostmaster.eutelia.it. 2015052108 86400 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0