Domain Name Checker

name_checker.rb

#!/usr/bin/env ruby

require 'socket'
require 'whois'

zones = %w(com ru)

words = %w(
  word1
  word2
  word3
  word4
  word5
).uniq.sort

available_num = unavailable_num = 0

zones.each do |zone|
  words.each do |first_word|
    words.each do |second_word|
      domain = "#{first_word}#{second_word}.#{zone}"

      begin
        Socket.gethostbyname(domain)
        unavailable_num += 1
      rescue SocketError
        begin
          r = Whois.whois(domain) 

          if r.available?
            available_num += 1
            puts domain
          end
        rescue
          puts domain 
        end
      end
    end
  end
end

puts "Total: #{available_num + unavailable_num}"
puts "Available: #{available_num}"
puts "Unavailable: #{unavailable_num}"