Drop native-dns and switch to latest .setServers NodeJS API [$120]

[taoeffect]

EDIT March 24, 2016: Since it seems getdns is not suitable for our purposes, but Node.js now finally has a simple way to set the DNS servers via .setServers, use that instead of native-dns.

Apologies for misunderstanding that the Node bindings for getdns were lacking for our purposes!

Ignore everything below

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https://github.com/getdnsapi/getdns-node

While native-dns works OK, it seems to be somewhat abandoned right now. I do not have the time to work on improving it. With a switch to getdns, DNSChain should work great as a standalone DNS server for traditional DNS and we wouldn't need to recommend PowerDNS alongside it.

For this task:

• Add an additional oldDNS method for getdns and make it the default that DNSChain uses.
• Update all related code as necessary.

--- Did you help close this issue? Go claim the **[$120 bounty](https://www.bountysource.com/issues/7860737-drop-native-dns-and-switch-to-latest-setservers-nodejs-api?utm_campaign=plugin&utm_content=tracker%2F528702&utm_medium=issues&utm_source=github)** on [Bountysource](https://www.bountysource.com/?utm_campaign=plugin&utm_content=tracker%2F528702&utm_medium=issues&utm_source=github).

[taoeffect]

We've placed a $120 bounty on this issue (the entirety of the remaining $ we had set aside for DNSChain).

If you'd like to help DNSChain there are two things you can do:

1. Contribute additional bounty to this issue.
2. Work on this issue and claim the bounty for yourself.

[taoeffect]

Changed title of the issue and edited OP requirements to add:

EDIT March 24, 2016: Since it seems getdns is not suitable for our purposes, but Node.js now finally has a simple way to set the DNS servers via .setServers, use that instead of native-dns.

Apologies for misunderstanding that the Node bindings for getdns were lacking for our purposes!

@wemeetagain Since you started a bit of work on this that we can't use let me buy you dinner next time in SF? (Might be this Sunday! ^_^)

[taoeffect]

Oops, been away from this codebase for too long. Just realized that .setServers is not sufficient for what we need, as we still need a way to create DNS packets for sending them back, not just choosing DNS servers to query.

So since it seems the Node API for get-dns is insufficient, and the built-in API is insufficient, the only game in town is still native-dns, which needs a new maintainer.

So for now closing this issue.