IP反向解析是将IP地址映射回其关联的域名的过程,这通常用于验证网络连接或进行安全分析。当您提到“IP反向解析多个域名”时,可能涉及到以下几个方面:
import dns.resolver
def reverse_dns(ip):
try:
answers = dns.resolver.resolve(ip, 'PTR')
for rdata in answers:
print(f"IP {ip} resolves to {rdata}")
except dns.resolver.NXDOMAIN:
print(f"No PTR record found for IP {ip}")
except dns.resolver.NoAnswer:
print(f"The DNS server returned no answer for IP {ip}")
except dns.resolver.Timeout:
print(f"Timed out while querying the DNS server for IP {ip}")
# 示例使用
reverse_dns('8.8.8.8')
请注意,DNS配置和管理通常需要管理员权限,并且可能涉及到网络安全和隐私问题。在进行任何更改之前,请确保您了解相关的风险,并遵循最佳实践。
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