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