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