Does anyone have a clue what this site is for?

Interesting. If I go back in the archives on The Wayback Machine for my domain, BlueHatSecurity.Com, I see something similar: http://web.archive.org/web/20040404221304/http://bluehatsecu...

whois points to Dmitri Pustoshilo in Tallinn, could be https://twitter.com/Dima_Pustoshilo ?