mail.scaleway.email has no MX records.
Question and response
Question
dig mail.scaleway.email. MX
Answer
The response has no answer records.
Authority
scaleway.email. 3600 SOA ns0.dom.scw.cloud. hostmaster.scaleway.email. 2026021901 86400 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0