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