python监控域名解析

import dns.resolver

def check_domain_resolution(domain, timeout=5):
    try:
        answers = dns.resolver.resolve(domain, 'A', timeout=timeout)
        return True, answers[0].address
    except dns.resolver.Timeout:
        return False, "DNS query timed out"
    except dns.resolver.NXDOMAIN:
        return False, "Domain does not exist"
    except Exception as e:
        return False, str(e)

# 示例调用
domain = "example.com"
success, result = check_domain_resolution(domain)
print(f"Domain resolution for {domain}: {success} - {result}")

import dns.resolver

def check_domain_consistency(domain):
    servers = ['8.8.8.8', '1.1.1.1']  # 使用多个DNS服务器
    results = []
    for server in servers:
        resolver = dns.resolver.Resolver()
        resolver.nameservers = [server]
        try:
            answers = resolver.resolve(domain, 'A')
            results.append((server, [r.address for r in answers]))
        except Exception as e:
            results.append((server, str(e)))
    return results

# 示例调用
domain = "example.com"
results = check_domain_consistency(domain)
for server, result in results:
    print(f"DNS server {server}: {result}")