vsys.cloud has no MX records.
Question and response
Question
dig vsys.cloud. MX
Answer
The response has no answer records.
Authority
vsys.cloud. 120 SOA ns1.sdns.network. hostmaster.sdns.network. 2025093005 21600 3600 604800 120
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0