Use two (2) aws instances to create a high availability redirect.
Nginx to create a 301 redirect.
server { listen 80; server_name site.gov; return 301 http://www.site.gov$request_uri; }
node.js socket on port XXXX ping-pong with timeout
AWS: http://docs.aws.amazon.com/AWSJavaScriptSDK/guide/node-intro.html
Timeout: https://github.com/expressjs/timeout
Socket: http://www.hacksparrow.com/tcp-socket-programming-in-node-js.html
Service: http://kvz.io/blog/2009/12/15/run-nodejs-as-a-service-on-ubuntu-karmic/