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