利用爬虫获取域名解析的IP

# -*- coding: utf-8 -*-

import json
import requests
import io
from bs4 import BeautifulSoup
import random
import time


def getUrlText(url):
    headers = [
        'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3315.4 Safari/537.36',
        'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36',
        'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36',
        'Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.94 Safari/537.36',
        'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36',
        'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50',
        'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0',
        'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)',
        'Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1',
        'Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11'
    ]
    header = {'User-Agent': random.choice(headers)}
    rs = requests.get(url, headers=header)
    rs.encoding = rs.apparent_encoding
    return rs


def getIps(url):
    rs1 = getUrlText(url)
    rs1 = rs1.text
    soup = BeautifulSoup(rs1, 'html.parser')
    dictinfo = json.loads(rs1)
    ips = []
    for i in dictinfo['data']:
        ips.append(i['ip'])
    return ips


def getNewDomains(ip):
    NewDomains = []
    url1 = 'http://site.ip138.com/' + ip + '/'
    rs1 = getUrlText(url1)
    rs1 = rs1.text
    soup = BeautifulSoup(rs1, 'html.parser')
    domains = soup.select('#list > li')

    for domain in domains:
        try:
            i = domain.select('a')[0].text
            if '360' in i:
                if i in NewDomains:
                    pass
                else:
                    NewDomains.append(i)
        except:
            pass
    return NewDomains


def loadDatadet(infile):
    f = open(infile, 'r')
    sourceInLine = f.readlines()
    dataset = []
    for line in sourceInLine:
        line = line.replace('\n', '')
        dataset.append(line)
        dataset = list(set(dataset))
    f.close()
    return dataset


urlUnput = input('请输入要查询地址：')
urlall = 'http://site.ip138.com/' + urlUnput + '/'
rs1 = getUrlText(urlall)
t1 = str(int(time.time() * 1000))
print(rs1, t1)
url = 'http://site.ip138.com/domain/read.do?domain=' + urlUnput + '&time=' + t1

ips = getIps(url)
NewDomains = []
for ip in ips:
    NewDomains.extend(getNewDomains(ip))
    NewDomains = list(set(NewDomains))

ipsUrl = {}
ipsNew = []
for Domains in NewDomains:
    try:
        t2 = str(int(time.time() * 1000))
        DomainsUrl = 'http://site.ip138.com/domain/read.do?domain=' + Domains + '&time=' + t2
        ips = getIps(DomainsUrl)
        ipsUrl.update({Domains: ips})
        ipsNew.extend(ips)
        ipsNew = list(set(ipsNew))
    except:
        pass
print(ipsNew)

try:
    fn = urlUnput + r'.txt'
    IpNewDomains = loadDatadet(fn)
except:
    IpNewDomains = []
for ip1 in ipsNew:
    for i in range(1, 255, 1):
        try:
            ipNew = ip1.split('.')[0] + '.' + ip1.split('.')[1] + '.' + ip1.split('.')[2] + '.' + str(i)
            str2 = getNewDomains(ipNew)
            str3 = str([ipNew, str2])
            if str2:
                if str3 not in IpNewDomains:
                    IpNewDomains.append([ipNew, str2])
                    print(str3)
                    with io.open(fn, 'a', encoding='utf-8') as f:
                        f.write(str3 + '\n')
                else:
                    print(r'IP已存在!')
            else:
                pass
        except:
            pass