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