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