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