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