See if you can hit this DNS and tunnel using this site to get to calguns from its server
https://www.megaproxy.com/freesurf/
http://www.hidemyass.com/
http://anonymouse.org/anonwww.html
Or you can try to surf using proxy or use a tore network with a plugin for firefox.
http://freedailyproxy.com/?p=5
Or buy a IronKey USB with private Tore network.