These sites don't participate in the DNS. They (theoretically, at least) keep their IP addresses secret by sending and receiving traffic only through the Tor on

These sites don't participate in the DNS. They (theoretically, at least) keep their IP addresses secret by sending and receiving traffic only through the Tor onion routing network. http://en.wikipedia.org/wiki/Tor_(anonymity_network)#Hidden_services http://en.wikipedia.org/wiki/Tor_(anonymity_network)#Hidden_...