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