Parece que esta bloqueado absolutamente todo!
Probe con la clase HTTP_Request-1.4.4 y me devolvio error en el Net/Socket.php
Ahora probe con lo que me proponiste y me dice:
Cita: Warning: SimpleXMLElement::__construct() [simplexmlelement.--construct]: Couldn't resolve host name in /home/gemugame/public_html/thumb.php on line 3
Warning: SimpleXMLElement::__construct(
http://vimeo.com/api/v2/video/6271487.xml) [simplexmlelement.--construct]: failed to open stream: operation failed in /home/gemugame/public_html/thumb.php on line 3
Warning: SimpleXMLElement::__construct() [simplexmlelement.--construct]: I/O warning : failed to load external entity "http://vimeo.com/api/v2/video/6271487.xml" in /home/gemugame/public_html/thumb.php on line 3
Fatal error: Uncaught exception 'Exception' with message 'String could not be parsed as XML' in /home/gemugame/public_html/thumb.php:3 Stack trace: #0 /home/gemugame/public_html/thumb.php(3): SimpleXMLElement->__construct('http://vimeo.co...', 0, true) #1 {main} thrown in /home/gemugame/public_html/thumb.php on line 3