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