Twitter oauth works in shared hosting?


Hi. I have a shared hosting with no fix ip. I have tried to do a class to connect with Twitter using Oauth. I haven´t got results, so I need to is the real problem is to have a shared hosting with no fix ip. Can this be the real one cause to no cannect with the service? I have not any error advice in the page. My headers are these:

GET /twit/examples/5_user_authentication.php HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0 FirePHP/0.7.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
x-insight: activate
Connection: keep-alive
Cache-Control: max-age=0

HTTP/1.1 200 OK
Date: Wed, 03 Apr 2013 17:28:52 GMT
Server: Apache/2.0.52 (CentOS)
X-Powered-By: PHP/4.3.9, PleskLin
Content-Length: 0
Connection: close
Content-Type: text/html