集え我が一族

kunishima.rb

#!/usr/bin/ruby

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

open('http://data.iana.org/TLD/tlds-alpha-by-domain.txt') {|f|
  f.each_line {|line|
    next line if %r(^#) =~ line
    url = "http://kunishima.#{line}"

    begin
      status = timeout(1) {
        code = Net::HTTP.get_response(URI.parse(url)).code
        puts url + ' : ' + code
      }
    rescue
    end
  }
}

./kunishima.rb