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