Can someone find a link to the source code (it is licensed under the GPLv2)? I tried to open the xpi in a text editor, but no dice. I don't have much experience with FF addons, but I'd like to see exactly what's happening here.
You can rename the extension to .zip and extract. If you have any problems, let me know via a comment or post a contact method and Ill send you the source. Its pretty simple. When on, it intercepts URLs, sends the base URL to three offshore DNS services via HTTP, makes a best effort to check that two of them are equivalent, caches the IP for the browser session, redirects to the equivalent URL using the IP, and subst…
The explanation on how the extension works was enlightening. Perhaps I missed it, but would you mind including the explanation on the download page?