mail.exchangeincloud.ch has no MX records.
Question and response
Question
dig mail.exchangeincloud.ch. MX
Answer
The response has no answer records.
Authority
exchangeincloud.ch. 600 SOA ns1.rrpproxy.net. tech.rrpproxy.net. 2026021200 10800 3600 604800 600
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0