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