[hackersmag] (Adios Censorship, Hola ODDNS) Internet Censorship: state & solution
@ hackersmag.blogspot.com [20/Nov/2011, updated 11/April/2012]
They started with shutting down (supposed to be) bothering web portals, forcing them to change contentand even leak information about their users. When they found out they can’t (without any controversy) dominate all web services around the globe. They started taking DNS servers under control.
DNS Servers have a tree-like hierarchical set-up.
It has few Root DNS Servers at the top, which contain the entire Internet Domain Name registration database and its relative IP. These are maintained by independent agencies, but maximum of those reside in U.S. and few others distributed over globe.