mout-2425.artegic.net has no MX records.
Question and response
Question
dig mout-2425.artegic.net. MX
Answer
The response has no answer records.
Authority
artegic.net. 3600 SOA ns15.artegic.net. it.artegic.net. 2026030400 36000 3600 3600000 345600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0