dns3.louhi.fi has no MX records.
Question and response
Question
dig dns3.louhi.fi. MX
Answer
The response has no answer records.
Authority
louhi.fi. 60 SOA dns1.louhi.net. hostmaster.louhi.net. 2017013282 3600 600 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0