We check this website, now m5zn.com is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is m5zn Down Right Now? - NO! m5zn is up!
If you have problem with access to site m5zn, and domain m5zn.com is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).