I got this answer from cloudflare:

and the following from [email protected]:

Well, this is really weird! I have access to codepen.io (which uses cloudflare) with no problem, Going to contact cloudflare.

Since my other post was merged into this thread, i DO NOT have any problems connecting to clouldflare or any of their services, i get the same message posted in the third post!

Hi, i receive the mentioned error whenever i try to open this forum (writing this using a vpn) or teamspeak.com! even myTeamspeak fails and won't work ! I live in Iran and connected to the internet...