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