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