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