web01.trans-ix.nl has no MX records.
Question and response
Question
dig web01.trans-ix.nl. MX
Answer
The response has no answer records.
Authority
web01.trans-ix.nl. 301 SOA nsauth2.trans-ix.net. hostmaster.web01.trans-ix.nl. 2026020101 301 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0