Unable to find servers

When I look on the server list there is only 80 servers and all of them say “Server not responding”.
My internet is fine, and when I look on my favourite servers, it says “No internet games responded to the query”.
Could you please help me.

You need to make sure your ports are forwarded correctly on your router.

It is

Be sure to check that you dont have filters.

STrange, when I repeatedly click on a server 7 times only then doesit connect,what is this?