Cloudflare similarly states that Polyfill's .io domain cannot be trusted, and has shared a solution for any domain Cloudflare proxies. The Polyfill domain in question is falsely stating that Cloudflare recommends them, when it never has. "We have asked them to remove the false statement, and they have, so far, ignored our requests. This is yet another warning sign that they cannot be trusted," Cloudflare said in a post Wednesday.