HSK Automatic Ban [6-BULLDOG-54-278-151-668] [AutoAdmin]

Hello every1, i have joined in a particular server to play and get banned from it and the browser showed this message for me: Game disconnected: you have been banned from this server. Stated reason: HSK Automatic Ban [6-BULLDOG-54-278-151-668] [AutoAdmin], i contact the server owner and they removed the ban, and when i'm play on it, get banned again, so, annyone can help me out whit this?! It is only on his server. he dn't know wht it is...