python3 批量处理域名解析

域名批量解析，快速确认域名的存活性及IP地址，脚本中包含了具体的用法和简要说明
#!/usr/bin/env python

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

# python3.6

from socket import gethostbyname

import argparse

def domain_ip(openfile,out1,out2,out3):

    with open(openfile, '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(out1, 'a+') as ERR:  # A-domain-ERR.txt 解析出错域名统计

                    ERR.write(line.strip() + '\n')

            else:

                with open(out2, 'a+') as r:  # A-domain-ip.txt 里面存储的是批量解析后的结果,输出域名

                    r.write(line.strip('\n') + '  '+ host +"\n")  # 显示有ip绑定的域名，用空格隔开

                    re = line.strip('\n')

                    print(re,host)

					#不包含的解析结果

                    if host.strip() != "127.0.0.0":

                        if host.strip()!= "192.168.1.1":

                            if host.strip() != "192.168.2.1":

                                if host.strip() != "192.168.3.1":

                                    with open(out3,"a+") as f:

					f.write(host.strip()+"\n")

                                        #f.write(line.strip()+"  " + host.strip()+"\n")

                                else:

                                    pass

                            else:

                                pass

                        else:

                            pass

                    else:

                        pass

if __name__== "__main__":

    parser = argparse.ArgumentParser(description="2020.07.28 python 3.6 domain_1.0")

    parser.add_argument('-f'.strip(),'--filename'.strip(), help='eg:-f domains.txt')# 需要解析的域名列表信息

    parser.add_argument('-o'.strip(),'--outfile1'.strip(), default="A-domain-ERR.txt",help='eg:-o A-domain-ERR.txt ')# 输出解析失败的域名信息

    parser.add_argument('-r'.strip(),'--outfile2'.strip(), default="A-domain-ip.txt",help='eg:-r A-domain-ip.txt ')#输出解析成功的域名及ip信息

    parser.add_argument('-a'.strip(), '--outfile3'.strip(), default="A-lists.txt",help='eg:-a A-lists.txt ')#输出A记录列表

    args = parser.parse_args()

    if (args.filename and args.outfile1 and args.outfile2 and args.outfile3):

        domain_ip(args.filename, args.outfile1,args.outfile2,args.outfile3)

    else:

        print(parser.format_help())
巴特西

python3 批量处理域名解析

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