mx.transip.email has no MX records.
Question and response
Question
dig mx.transip.email. MX
Answer
The response has no answer records.
Authority
transip.email. 3600 SOA ns0.transip.net. hostmaster.transip.nl. 2026021900 14400 1800 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0