二级域名查询python

import dns.resolver

def query_second_level_domain(domain):
    try:
        # 查询A记录
        answers = dns.resolver.resolve(domain, 'A')
        for rdata in answers:
            print(f"A记录: {rdata.address}")
        
        # 查询CNAME记录
        answers = dns.resolver.resolve(domain, 'CNAME')
        for rdata in answers:
            print(f"CNAME记录: {rdata.target}")
        
        # 查询MX记录
        answers = dns.resolver.resolve(domain, 'MX')
        for rdata in answers:
            print(f"MX记录: {rdata.exchange}")
        
        # 查询NS记录
        answers = dns.resResolver.resolve(domain, 'NS')
        for rdata in answers:
            print(f"NS记录: {rdata.target}")
        
    except dns.resolver.NXDOMAIN:
        print(f"域名 {domain} 不存在")
    except dns.resolver.NoAnswer:
        print(f"域名 {domain} 没有相应的记录")
    except dns.resolver.Timeout:
        print(f"查询域名 {domain} 超时")
    except Exception as e:
        print(f"发生错误: {e}")

# 示例查询
query_second_level_domain('example.com')