Site girişinde hata. Squid nedenli olabilir mi?

[cenx]

merhaba, riotpin sitesine girince şu hatayı alıyorum
squid ile ilgili midir, sizce nasıl çözebilirim?

kolay gelsin

ERROR

The requested URL could not be retrieved

While trying to retrieve the URL: http://www.riotpin.com/

The following error was encountered:

Connection to 216.52.221.25 Failed
The system returned:

(60) Operation timed out
The remote host or network may be down. Please try the request again.

Your cache administrator is admin@localhost.
Generated Mon, 16 Dec 2013 20:22:32 GMT by localhost (squid/2.7.STABLE9)