Getting possible domain names from keywords

domain.rb

require 'rubygems'
require 'nokogiri'
require 'open-uri'
require 'colorize'

name = ARGV[0]
domains = ["com","net","org","io","in"]
domains.each do |check|
	ref = "#{name}.#{check}".to_s
	doc = Nokogiri::XML(open("http://www.whoisxmlapi.com/whoisserver/WhoisService?cmd=GET_DN_AVAILABILITY&domainName=#{ref}&username=chaitu87&password=sowmya&outputFormat=XML"))
	output = doc.at_xpath('//DomainInfo//domainAvailability').text
	if output.to_s == "AVAILABLE"
		puts "#{name}.#{check} Available".green
	else
		puts "#{name}.#{check} Not Available".red
	end
	# puts "#{name}.#{check}"
end