8.7.3.1 Fix - Support for node 8.7.3

Removed '-qa' RTS flag causing issue with latest node release.
Changed google domain dynamic DNS support for Cloudflare since Squarespace doesn't support dynamic dns.

What's Changed

• Fixed RTS flags and added support for Cloudflare by @pascallapointe in #29
  Full Changelog: 8.7.3...8.7.3.1