ns3.oxilion.net has no MX records.
Question and response
Question
dig ns3.oxilion.net. MX
Answer
The response has no answer records.
Authority
oxilion.net. 600 SOA ns1.oxilion.nl. postmaster.oxilion.nl. 2026010601 14400 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0