smtp.csc.fi has no MX records.
Question and response
Question
dig smtp.csc.fi. MX
Answer
The response has no answer records.
Authority
csc.fi. 900 SOA ns.funet.fi. hostmaster.funet.fi. 2026022017 10800 3600 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0