反向DNS查询与蜘蛛验证免费API接口详细教程

https://cn.apihz.cn/api/ip/fdns.php?id=88888888&key=88888888&ip=220.181.108.75

<?php
// 你的API凭证（请替换成你自己的）
$api_id = ‘你的用户ID‘;
$api_key = ‘你的用户KEY‘;
// 要查询的IP
$ip_to_query = ‘220.181.108.75‘;
// 构建请求URL
$api_url = ‘https://cn.apihz.cn/api/ip/fdns.php‘;
$request_url = $api_url . ‘?id=‘ . $api_id . ‘&key=‘ . $api_key . ‘&ip=‘ . $ip_to_query;
// 初始化cURL
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $request_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // 将响应结果返回，而不是直接输出
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 简单起见，忽略SSL证书验证（生产环境建议开启）
// 执行请求
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// 检查cURL错误
if (curl_error($ch)) {
    die(‘cURL请求发生错误: ‘ . curl_error($ch));
}
curl_close($ch);
// 解析JSON响应
$data = json_decode($response, true);
// 处理结果
if ($data && $data[‘code‘] == 200) {
    echo “查询IP: “ . $data[‘ip‘] . “\n”;
    echo “反向DNS: “ . $data[‘reverse_dns‘] . “\n”;
    echo “是否为蜘蛛: “ . ($data[‘is_bot‘] ? ‘是‘ : ‘否‘) . “\n”;
    echo “双向验证通过: “ . ($data[‘verified‘] ? ‘是‘ : ‘否‘) . “\n”;
    
    if ($data[‘is_bot‘]) {
        echo “蜘蛛名称: “ . $data[‘reverse_verification‘][‘bot_name‘] . “\n”;
    }
} else {
    echo “查询失败！错误信息: “ . $data[‘msg‘] . “\n”;
}
?>

import urllib.request
import urllib.parse
import json
# 你的API凭证（请替换成你自己的）
api_id = "你的用户ID"
api_key = "你的用户KEY"
ip_to_query = "220.181.108.75"
# 构建请求参数
params = {
    "id": api_id,
    "key": api_key,
    "ip": ip_to_query
}
# 将参数编码并拼接成URL
query_string = urllib.parse.urlencode(params)
url = f"https://cn.apihz.cn/api/ip/fdns.php?{query_string}"
try:
    # 发起请求
    with urllib.request.urlopen(url) as response:
        # 读取并解码响应内容
        response_data = response.read().decode('utf-8')
        # 解析JSON数据
        data = json.loads(response_data)
    # 处理结果
    if data.get('code') == 200:
        print(f"查询IP: {data['ip']}")
        print(f"反向DNS: {data['reverse_dns']}")
        print(f"是否为蜘蛛: {'是' if data['is_bot'] else '否'}")
        print(f"双向验证通过: {'是' if data['verified'] else '否'}")
        if data['is_bot']:
            print(f"蜘蛛名称: {data['reverse_verification']['bot_name']}")
    else:
        print(f"查询失败！错误信息: {data.get('msg', 'Unknown error')}")
except Exception as e:
    print(f"请求过程中发生错误: {e}")

{
  "code": 200,
  "msg": "查询成功",
  "ip": "220.181.108.75",
  "reverse_dns": "baiduspider-220-181-108-75.crawl.baidu.com",
  "reverse_dns_exists": true,
  "reverse_verification": {
    "match": true,
    "detected_bot": true,
    "matched_pattern": ".baidu.com",
    "bot_id": "baidu",
    "bot_name": "Baidu"
  },
  "forward_verification": {
    "performed": true,
    "match": true,
    "forward_ips": ["220.181.108.75"],
    "original_ip_in_forward_ips": true
  },
  "is_bot": true,
  "verified": true,
  "query_time": 4749.81,
  "timestamp": "2025-12-08 13:29:52"
}