Alternative DNS might not be needed right now, but why not implement these things, just in case your domain name gets seized?

What is the Lokinet?

Lokinet is an onion-router like Tor that lets you access the web anonymously. Built on LLARP, the fastest onion-routing protocol in the world. more info

Not that we're paranoid, but it doesn't hurt to be prepared.

http://castgarden.loki/