mail.capnova.fi has no CNAME records.
Question and response
Question
dig mail.capnova.fi. NS
Answer
The response has no answer records.
Authority
capnova.fi. 517 SOA ns1.capnova.com. hostmaster.capnova.com. 2025111802 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0