批量获取域名解析结果

import dns.resolver
import requests
import re
import sys

def get_ip_list(domain):
    try:
        cn = dns.resolver.query(domain, 'CNAME')
        for i in cn.response.answer:
            for j in i.items:
                cname_domain = j.to_text()
        print('%s ---> %s' %
              (domain, cname_domain))
    except Exception as e:
        print('%s,%s' % (domain, e))

    try:
        A = dns.resolver.query(domain, 'A')
        for i in A.response.answer:
            for j in i.items:
                ip_list.append(j.address)
    except:
        pass
    return ip_list


def get_ip_belong(domain_ip):
    url = 'http://ip138.com/ips138.asp?ip=%s&action=2' % domain_ip
    resp = requests.get(url)
    resp.encoding = resp.apparent_encoding
    html = resp.text
    ip = re.findall(r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}', html)
    result = re.findall(r'(<li>.*?</li>)', html)
    belong = result[0][14:-5]
    print('%-*s--->%*s' % (18, ip[0], 20, belong))


if __name__ == '__main__':
    file_name = "domainList.txt"
    with open(file_name, 'r', encoding='utf-8') as f:
        domains = f.readlines()
    for domain in domains:
        get_ip_list(domain.rstrip())