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