ns4.divinet.nl has no MX records.
Question and response
Question
dig ns4.divinet.nl. MX
Answer
The response has no answer records.
Authority
divinet.nl. 300 SOA ns0.divinet.nl. support.divinet.nl. 2025090810 14400 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0