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