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