python3批量查询域名是否注册

#!/usr/local/bin/python3
#coding=utf-8

import re,sys,os,random,time, base64
import urllib.parse, urllib.request
import socket

timeout = 10
socket.setdefaulttimeout(timeout)

proxy_list = [
{'ip':"222.217.99.129", 'port':"", 'type':"http"},
{'ip':"59.53.92.7", 'port':"", 'type':"http"},
{'ip':"58.83.224.217", 'port':"", 'type':"http"},
{'ip':"218.247.244.155", 'port':"", 'type':"http"},
{'ip':"59.173.247.162", 'port':"", 'type':"http"},
{'ip':"125.39.93.68", 'port':"", 'type':"http"},
{'ip':"221.2.80.126", 'port':"", 'type':"http"},
{'ip':"221.235.205.66", 'port':"", 'type':"http"},
{'ip':"220.181.159.60", 'port':"", 'type':"http"},
{'ip':"218.247.244.23", 'port':"", 'type':"http"},
{'ip':"218.241.153.43", 'port':"", 'type':"http"},
{'ip':"125.39.93.69", 'port':"", 'type':"http"},
{'ip':"211.144.76.7", 'port':"", 'type':"http"},
{'ip':"58.53.192.218", 'port':"", 'type':"http"},
{'ip':"222.92.141.155", 'port':"", 'type':"http"},
{'ip':"59.108.53.1", 'port':"", 'type':"http"},
{'ip':"203.93.28.166", 'port':"", 'type':"http"},
{'ip':"60.190.189.214", 'port':"", 'type':"http"},
{'ip':"59.36.183.178", 'port':"", 'type':"http"},
{'ip':"121.11.149.250", 'port':"", 'type':"http"},
{'ip':"212.50.244.8", 'port':"", 'type':"http"},
{'ip':"216.113.208.185", 'port':"", 'type':"http"},
{'ip':"220.181.159.23", 'port':"", 'type':"http"},
{'ip':"59.44.204.198", 'port':"", 'type':"http"},
{'ip':"221.2.174.164", 'port':"", 'type':"http"},
{'ip':"178.135.59.142", 'port':"", 'type':"http"},
{'ip':"202.57.4.124", 'port':"", 'type':"http"},
{'ip':"211.100.52.196", 'port':"", 'type':"http"},
{'ip':"211.144.76.58", 'port':"", 'type':"http"}
]

def request_domain(domain):
    have_error = True
    while have_error:
        try:
            url = 'http://pandavip.www.net.cn/check/check_ac1.cgi'
            user_agent = 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)'
            values = {'domain' : domain,}
            headers = { 'User-Agent' : user_agent }
            data = urllib.parse.urlencode(values).encode()
            req = urllib.request.Request(url, data, headers)

            index = random.randint(0, len(proxy_list) - 1)
            proxy = proxy_list[index]

            if True:
                proxy_support = urllib.request.ProxyHandler({proxy['type']: proxy['ip'] +':' + proxy['port']})
                opener = urllib.request.build_opener(proxy_support)
                urllib.request.install_opener(opener)

            response = urllib.request.urlopen(req)
            the_page = response.read().decode("utf8")

        except Exception as e:
            have_error = True
            proxy_list.pop(index)
##            print(">>>>>>>>>>> EXCEPTION:  " + proxy['ip']+ " " + str(e))
        else:
            have_error = False
    else:
        return the_page

def construct_domain():
    domainList = []
    domainList.append({'pre': "doucube", 'ext': "com"})
    domainList.append({'pre': "doucube", 'ext': "net"})
    domainList.append({'pre': "doucube", 'ext': "org"})
    domainList.append({'pre': "doucube", 'ext': "cn"})

    for i in range(97, 123):
        domain_pre = chr(i)
        domainList.append({'pre': domain_pre, 'ext': "cn"})

    return domainList

def main():

    domains = construct_domain()

    for i in range(0, len(domains)):
        domain_full = domains[i]['pre'] + "." + domains[i]['ext']
        result = request_domain(domain_full)
        cur_time        = str(time.strftime("%H:%M:%S", time.localtime()))
        if result.find("is not available") != -1:
            print(cur_time + "\t" + domain_full + "\tOccupied!")
        elif result.find("is available") != -1:
            print(cur_time + "\t" + domain_full + "\tFREE! ------->$")
        else:
            print(cur_time + "\t" + domain_full + "\t" + result)

if __name__ == '__main__':
    main()
    print(base64.b64decode(b'Q29weXJpZ2h0IChjKSAyMDEyIERvdWN1YmUgSW5jLiBBbGwgcmlnaHRzIHJlc2VydmVkLg==').decode())

运行结果：

*** Python 3.2.3 (default, Apr 11 2012, 07:15:24) [MSC v.1500 32 bit (Intel)] on win32. ***
>>>
*** Remote Interpreter Reinitialized  ***
>>>
12:21:12    doucube.com    Occupied!
12:21:15    doucube.net    FREE! ------->$
12:21:29    doucube.org    FREE! ------->$
12:21:30    doucube.cn    FREE! ------->$
12:21:30    a.cn    Occupied!
12:21:33    b.cn    Occupied!
12:21:35    c.cn    Occupied!
12:21:35    d.cn    Occupied!
12:21:37    e.cn    Occupied!
12:21:38    f.cn    Occupied!
12:21:38    g.cn    Occupied!
12:21:42    h.cn    Occupied!
12:21:42    i.cn    Occupied!
12:21:43    j.cn    Occupied!
12:21:45    k.cn    Occupied!
12:21:49    l.cn    Occupied!
12:21:50    m.cn    Occupied!
12:21:50    n.cn    Occupied!
12:21:50    o.cn    Occupied!
12:21:53    p.cn    Occupied!
12:21:53    q.cn    Occupied!
12:21:56    r.cn    Occupied!
12:21:56    s.cn    Occupied!
12:22:06    t.cn    Occupied!
12:22:07    u.cn    Occupied!
12:22:08    v.cn    Occupied!
12:22:08    w.cn    Occupied!
12:22:08    x.cn    Occupied!
12:22:10    y.cn    Occupied!
12:22:11    z.cn    Occupied!

Copyright (c) 2012 Doucube Inc. All rights reserved.

>>>