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