mail01vp.sps-ocs.com has no MX records.
Question and response
Question
dig mail01vp.sps-ocs.com. MX
Answer
The response has no answer records.
Authority
sps-ocs.com. 3600 SOA ns41.infomaniak.com. hostmaster.infomaniak.ch. 2025120304 10800 3600 605800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0