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