If you combine Namecoin with Tor you could get close. Have a Namecoin .bit address point to a Tor .onion address. As long as you don't let the .bit address exp

If you combine Namecoin with Tor you could get close. Have a Namecoin .bit address point to a Tor .onion address. As long as you don't let the .bit address expire, you'll have a secure, easy to remember address people can use to access your hidden server.