Domain name pixhost.org has been locked by Public Interest Registry (the operator of .org domains) for alleged abuse. There is currently no fast way how to resolve it and therefore we have decided to move to pixhost.to immediately.
The easiest way how to make old pixhost link work again on your website is updating references in website’s database. See the MySQL query examples: https://pastebin.com/GAUKMmzw
If you’re a regular user who shared images on 3rd party websites, please ask their webmasters to update old embedded pixhost.org links / link them to this article.