ruby domain name generator

domaing.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'whois'

module Domaing
  def self.alliterative?(first_word, second_word)
    first_word[0] == second_word[0]
  end

  def self.generate_names(words)
    first  = words[rand(words.size)].strip.downcase
    second = words[rand(words.size)].strip.downcase

    "#{first}#{second}.com" if alliterative?(first, second)
  end

  def self.generate_domains
    words = []

    # get the 2of12 dictionary here:
    #   http://scrapmaker.com/data/wordlists/twelve-dicts/2of12.txt
    File.open("2of12.txt", "r").each_line do |l|
      words << l if l.length > 4 &&  l.length < 7
    end

    domains = []

    while domains.count < 30000
      domain = generate_names(words)
      domains << domain if domain
    end

    domains.each  do |d|
      sleep 5
      begin
        if Whois.whois(d).available?
          File.open("domains.txt", "a") do |f|
            f.write "#{d}\n"
          end
        end
      rescue
        sleep 100 # to avoid overloading whois servers
      end
    end
  end
end

Domaing.generate_domains