代码比较粗糙，只是为了快速完成批量域名注册查询需求，后续会修改完善程序。

核心：通过目标网站==>抓取Url列表==>抓取内容keyword==>阿里API进行查找==>返回注册信息

程序运行效果

#_*_coding:utf-8_*_
import requests
from bs4 import BeautifulSoup
import re
import tldextract
import time
import random

web_u='http://www.egouz.com/north-america/america/'#目标域名

for x in range(310,532):#循环构建URL地址
    u=web_u+str(x)+'.html'
    r=requests.get(url=u,timeout=5)
    print(web_u+str(x)+".html")
    soup=BeautifulSoup(r.text,'lxml')
    html=soup.text

    url_new=soup.find('li',class_='tab active').find_all('a',class_='btn-more')#find内容页URL地址list
    for k in url_new:#循环URL地址list
        url_1='http://www.egouz.com/'+k['href']
        r1=requests.get(url=url_1,timeout=100)
        soup1=BeautifulSoup(r1.text,'lxml')
        gotourl=soup1.find('a',class_='btn-goto pull-left')
        if gotourl == None:#查找gotourl为空 跳过
            break
        print(gotourl['href'])
        cha_url=gotourl['href']

        val=tldextract.extract(cha_url)#使用tldextract库查找 主域名
        val1=val.domain+'.cn'#拼接.cn格式
        time.sleep(random.randint(1,5))
        domain_new="https://checkapi.aliyun.com/check/checkdomain?domain=%s&command=&token=Y847a5e60c85b0f08e40bba55aa021566&ua=&currency=&site=&bid=&_csrf_token=&callback=jsonp_1538051895584_24373" %val1 #阿里查找域名API
        r2=requests.get(url=domain_new,timeout=100)
        soup2=BeautifulSoup(r2.text,'lxml')
        html=soup2.text
        lists =re.findall('"avail":0', html)

        if lists:#判断list是否为空
            print(val1+'已注册')
        else:
            with open('/Users/yangxin/Desktop/国外域名7.txt', 'a') as f:#将可以注册内容写进txt
                print(val1+'可以注册')
                f.write('原域名:'+cha_url+'\n'+'注册域名:'+val1+'\n')
                f.close()