regcheck.rb

#!/usr/bin/env ruby

require 'uri'
require 'net/http'
require 'open-uri'

if ARGV.size < 1 or ARGV[0] == '--help'
	puts "Usage: #{File.basename(__FILE__)} DOMAIN [NS]"
	exit 1
end

url = "http://www.domain.hu/domain/regcheck/?dname=#{ARGV[0].downcase}" + (ARGV.size == 2 ? "&host=#{ARGV[1]}" : "")

uri = URI.parse url

headers = {
  'Referer' => 'http://www.domain.hu/regcheck/',
  'User-Agent' => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_8; hu-hu) AppleWebKit/533.18.1 (KHTML, like Gecko) Version/5.0.2 Safari/533.18.5',
} 

http = Net::HTTP.start(uri.host, uri.port)
response = http.get(uri.path + '?' + uri.query, headers)
result = response.body

r = result.scan(/<code[^>]*>(.*?)<\/code>/m)
if r.empty?
	puts "ERROR: invalid string got. Here is a code:"
	puts "------------------------------------------"
	puts
	puts result
	exit 1
else
	code = r[0][0]
end
code.gsub!(/<[^>]+>/, "")

code.gsub!(/\n+/, "\n")

domain = ""
code.each_line do |line|
	line.strip!
	b=line.scan(/(\S+)\s+(-[IWES]-)\s+(\[\S+\])\s+(.*)/)
	unless b.empty?
		domain = b[0][2]
		puts format('%-7s %3s %s %s', b[0][0], b[0][1], b[0][2], b[0][3])
	else
		# Very dirty hack to handle multiple MX address
		spcnum = 7 + 1 + 3 + 1 + domain.size + 1
		spcnum.times { print ' ' }
		puts line
	end
end