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