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