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