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