That's not true. Many setups proxy everything but dns traffic. That's why this topic is a thing. https://trac.torproject.org/projects/tor/wiki/doc/Preventing

That's not true. Many setups proxy everything but dns traffic. That's why this topic is a thing. https://trac.torproject.org/projects/tor/wiki/doc/Preventing_Tor_DNS_Leaks https://trac.torproject.org/projects/tor/wiki/doc/Preventing...