#!/usr/local/bin/ruby

require 'net/http'

def url_request(url, limit = 10)
  if limit == 0
    return false
  end
  begin
    response = Net::HTTP.get_response(URI.parse(url))
  rescue
    return false
  else
    case response
    when Net::HTTPSuccess
      return true
    when Net::HTTPRedirection
      url_request(response['location'], limit - 1)
    else
      return false
    end
  end
end

p url_request("http://aefawefawefawefawef.hateblo.jp")