gistfile1.py

import random
import requests
import itertools
import json
import time

letters = 'abcdefghijklmnopqrstuvwxyz'

def sample():
	return ''.join([random.choice(letters) for _ in range(5)]) + '.com'

def test():
	url = 'http://api.statdns.com/XXXX/a'

	samples = []

	while len(samples) < 1000:
		x = sample()
		if not x in samples:
			samples.append(x)

		print len(samples)

	succ = 0
	fail = 0

	for site in samples:
		test_url = url.replace('XXXX', site)
		time.sleep(1)
		try:
			print test_url
			resp = requests.get(test_url).text
			if resp.find('NXDOMAIN') >= 0:
				fail += 1
				print 'fail'
			else:
				succ += 1
				print 'succ'
		except:
			fail += 1
			print 'fail'

	print succ, fail

if __name__ == '__main__':
	test()