de-fra1.upcloud.host has no MX records.
Question and response
Question
dig de-fra1.upcloud.host. MX
Answer
The response has no answer records.
Authority
de-fra1.upcloud.host. 86400 SOA ns1-fi.upcloud.com. hostmaster.upcloud.com. 2026135996 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0