请问为何上不了这个网站？

[Fat-Girl]

请问为使用自由门7.06专业版或专家版都上不了这个网站：http://apps.facebook.com/dino_kingdom/?ref=5 ？会出现下面的讯息：

Proxy Error

The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET http://facebook2.dino-age.com/?ref=5&signed_request=qsHAhJyPu5sLTN4IS-w4inStXlnlX0j0H2fKmQZhR-M.eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiIsImlzc3VlZF9hdCI6MTI5MzcxMjM4OCwidXNlciI6eyJsb2NhbGUiOiJ6aF9ISyIsImNvdW50cnkiOiJ1cyJ9fQ.

Reason: DNS lookup failure for: facebook2.dino-age.com

谢谢！