a.0ns.eu has no MX records.
Question and response
Question
dig a.0ns.eu. MX
Answer
The response has no answer records.
Authority
0ns.eu. 86400 SOA a.0ns.eu. sysadmin.prometeus.it. 2022092700 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0