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