#!/usr/bin/env python
# encoding: utf-8
"""
Created by laramies on 2008-08-21.
"""

import sys
import socket

class Checker():
	def __init__(self, hosts):
		self.hosts = hosts
		self.realhosts=[]

	def check(self):
	 	for x in self.hosts:
			try:
				res=socket.gethostbyname(x)
				self.realhosts.append(res+":"+x)	
			except Exception, e:
				pass
		return self.realhosts