smtp3.ipnext.it has no MX records.
Question and response
Question
dig smtp3.ipnext.it. MX
Answer
The response has no answer records.
Authority
ipnext.it. 3600 SOA icaro.ipnext.it. noc.ipnext.it. 2026020700 21600 3600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0