fn="karma.txt"

import socket

with file(fn) as f:
	wrds=[x.strip() for x in f.readlines()]


def bul_domain(ext):
	uyusma=[wrd for wrd in wrds if wrd.endswith(ext)]
	for uyus in uyusma:
		domain=uyus[0:len(uyus) - len(ext)] + "." + ext
		basarisiz="127.0.0.1"
		try:
			if (basarisiz== socket.gethostbyname(domain)):
				yield domain
		except:
			yield domain




for x in bul_domain("com"): print x




for x in bul_domain("com"): print x
... 
www.goog..com
>>>