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