Detects if a given page is running on GitHub Pages. Usage: `./pages? [hostname]`

Gemfile

gem "net/dns"
gem "colored"

pages.rb

#!/usr/bin/env ruby

require "rubygems"
require "net/dns"
require "colored"

# fail?
if ARGV.length == 0
    puts "Whoops. Usage: /pages? [hostname]".yellow
    exit 1
end

# roll the dice...
Resolver(ARGV[0]) { |packet| 
    if "204.232.175.78" == packet.each_address {|ip| break ip.to_s } 
        puts "Yep. That's a GitHub pages site! :)".green
    else 
        puts "Nope. Saldy, not yet on GitHub Pages. :(".red
    end
}