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