ns2.edpnet.net has no MX records.
Question and response
Question
dig ns2.edpnet.net. MX
Answer
The response has no answer records.
Authority
edpnet.net. 600 SOA ns1.edpnet.be. admin.edpnet.net. 2026021101 28800 7200 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0