Most associated with mudcat are sufficiently familiar with the English language to avoid the error in the message cited, hence the source probably is not here.
Perhaps you've acquired a redirect worm, probably from one of those Nigerian Scam emails, that's redirecting your attempts to access this site to somewhere else. If that's the cause, the error message likely is accompanied by the download of additional malware to your computer each time you try - or at random times when you're not looking.