We check this website, now boerse-stuttgart.de is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is boerse-stuttgart Down Right Now? - NO! boerse-stuttgart is up!
If you have problem with access to site boerse-stuttgart, and domain boerse-stuttgart.de is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).