Can only set Cookies for the current domain

 # -*- coding: utf-8 -*-
 """
 Created on Mon Dec 12 14:35:49 2016

 @author: yaru
 """

 targetURL = "http://pythonscraping.com"
 #targetURL = "https://github.com/"

 from selenium import webdriver
 driver = webdriver.PhantomJS(executable_path=r"D:\Anaconda2\Scripts\phantomjs-2.1.1-windows\bin\phantomjs.exe")
 driver.get(targetURL)
 driver.implicitly_wait(1)
 #print(driver.get_cookies())

 savedCookies = driver.get_cookies()
 driver2 = webdriver.PhantomJS(executable_path=r"D:\Anaconda2\Scripts\phantomjs-2.1.1-windows\bin\phantomjs.exe")
 driver2.get(targetURL)
 driver2.implicitly_wait(1)
 driver2.delete_all_cookies()

 for cookie in savedCookies:
     # fix the 2nd problem
     for k in ('name', 'value', 'domain', 'path', 'expiry'):
         if k not in list(cookie.keys()):
             if k == 'expiry':
                 cookie[k] = 1475825481
     # fix the 1st problem
     driver2.add_cookie({k: cookie[k] for k in ('name', 'value', 'domain', 'path', 'expiry') if k in cookie})
 print(cookie)
 print("aaaa3")  

 driver2.get(targetURL)
 driver2.implicitly_wait(1)