dnspython--dns解析

1、安装dnspython

pip install dnspython 

2、解析MX、A、TXT、NS代码如下：

import dns.resolver

def dns_query(domain, type):
    print('-' * 20)
    try:
        dnsquery = dns.resolver.query(domain, type)
        print(type + "记录：")
        for i in dnsquery.response.answer:
            for j in i:
                print(j)
    except dns.resolver.NoAnswer:
        print(domain+' DNS未响应！')

domain = "fudan.edu.cn"
domain_A = "mail." + domain
dns_query(domain, 'MX')

dns_query(domain_A, 'A')

dns_query(domain, 'TXT')

dns_query(domain, 'NS')