My DXSummit.fi is maintained by by a Finnish company Kyynel Ltd
Kyynel Ltd focuses on advanced high frequency (HF) wireless systems. Working in the field of wireless telecommunication systems, Kyynel is utilizing the latest software defined radio and cognitive radio technologies.
MyDXSummit is a amateur radio cluster. Amateur radio operators are scouting the band for stations that are on the air. If they find a station, they report it to a cluster for others to find more easily. The findings or spots are propagated to other DX clusters over the internet. More about amateur radio in the Wikipedia article.