A dns server, encrypt dns queries to remote server.
- encrypt dns request to remote server
- prevent GFW DNS poisoning, http://en.wikipedia.org/wiki/DNS_spoofing
- udp package for quick query
- more secure
- IPV6 support(now support query AAAA, but only ipv4 server address available)
- local bind address configurable(now listen on all interface)
- chnroute for china website to speed up (or for cdn)
- auto retry and cache?