import sys, multiprocessing, socket
  from multiprocessing.dummy import Pool as ThreadPool
  
  
  def main(subdomains):
  
    try:
      domain = '{}.{}'.format(subdomains, sys.argv[2])
      ip = socket.gethostbyname(domain)
      print '{} | {}'.format(domain, ip)
  
    except:
      pass
  
  def threading():
  
    subdomain_list = []
  
    for lines in open(sys.argv[1], 'r'):
      subdomain_list.append(lines.rstrip())
  
    pool = ThreadPool(multiprocessing.cpu_count())
    pool.map(main, subdomain_list)
    pool.close()
    pool.join()
  
  
  if __name__ == '__main__':
  
    print "Starting subdomain enumerator"
    print "-"*20
    threading()

  Egzekutimi:
  python2.7 simple1.py worldlist.txt domain.com
  python2.7 simple1.py SecLists/Discovery/DNS/subdomains-top1mil-5000.txt ipko.com