shadow.cloudcity.fi has no MX records.
Question and response
Question
dig shadow.cloudcity.fi. MX
Answer
The response has no answer records.
Authority
cloudcity.fi. 900 SOA ns1.cloudcity.fi. hostmaster.cloudcity.fi. 2026011201 10800 15 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0