python批量解析域名a记录

#encoding:utf-8

import requests
import json
import dns.resolver
import sys
reload(sys)
sys.setdefaultencoding("utf-8")

# 通过域名获取域名的A记录
def GetArecordIp(domain_name):

    address = []
    try:
        host_a = dns.resolver.query(domain_name, 'A')
        for i in host_a.response.answer:
            for j in i.items:
                address.append(j.address)
        return address
    except:
        return False

# 通过调用淘宝的api根据ip获取城市
def get_city(ip_addr):
    ip = ip_addr
    # 通过淘宝的api查询ip信息
    req = requests.get("http://ip.taobao.com/service/getIpInfo.php?ip={}".format(ip))
    if req:
        ip_data = json.loads(req.content)
        ip_address = ip_data['data']

        are = ''.join([ip_address['country'],ip_address['area'],ip_address['city']])
        json.dumps(are)
        # print are
        return are

def write_to_html(domain_ip):
    # 通过拼凑ip和域名最终形成网页信息
    # print domain_ip
    title = "域名解析信息"
    tbody = ''
    for domain,ipcity in domain_ip.items():
        print domain,ipcity[0][0],ipcity[0][1],ipcity[1][0],ipcity[1][1]
        tbody += '<tr>\n<td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td>\n<tr>\n' % (domain,ipcity[0][0],ipcity[0][1],ipcity[1][0],ipcity[1][1])

    html_tpl = '''
    <!DOCTYPE html>
    <html>
        <head>
            <meta charset="utf-8">
            <title>{title}</title>
        </head>
        <body>
            <table border="1" cellspacing="0" cellpadding="0" color='pink'>
                <thead>
                    <tr cellspacing="0" cellpadding="0">
                        <th>域名</th>
                        <th>ip信息1</th>
                        <th>ip所在城市1</th>
                        <th>ip信息2</th>
                        <th>ip所在城市2</th>
                    </tr>
                </thead>
                {tbody}
            </table>
        </body>
    </html>
    '''
    html_handle = open('domain01.html','w')
    html_handle.write(html_tpl.format(title = title, tbody = tbody))
    html_handle.close()

# 根据域名列表获取ip地址
def main(domain_file):

    f = open(domain_file,'r')
    domain_list = f.readlines()
    f.close()

    domain_ip = {}
    for domain in domain_list:
        domain_name = domain.rstrip()
        ip_list = GetArecordIp(domain_name)
        ip_city_list = []

        # ip 不为空则处理
        if ip_list:
            for i in ip_list:
                city = get_city(i)
                ip_city = [i,city]
                ip_city_list.append(ip_city)
            # print json.dumps(ip_city_list).decode("unicode-escape")
            # ip=','.join(str(i)for i in ip_city_list)
            # json.dumps(ip_city_list).decode("unicode-escape")可以转为中文显示
            domain_ip[domain_name] = ip_city_list
            # print domain_name,json.dumps(ip_city_list).decode("unicode-escape")
        else:
            print "%s has no record" % domain_name

    # 将信息写入网页
    write_to_html(domain_ip)

if __name__ == '__main__':
    domain_file = "domain_file.txt"
    main(domain_file)

简单解析

#!/usr/bin/env python
#coding:utf-8

from socket import gethostbyname
DOMAIN= "ip02.txt"

with open(DOMAIN,'r') as f:

    for line in f.readlines():
        try:
            host = gethostbyname(line.strip('\n'))  #域名反解析得到的IP
        except Exception as e:
            with open('error.txt','a+') as ERR:  #error.txt为没有IP绑定的域名
                ERR.write(line.strip()+ '\n')
        else:
            with open('result.txt','a+') as r: #result.txt里面存储的是批量解析后的结果
                r.write(line.strip('\n') + '                                       ')   #显示有ip绑定的域名，用空格隔开
                r.write(host + '\n')