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