php实现不同地区dns服务器域名解析ip地址结果查询工具-php代码-BFW代码库

php实现不同地区dns服务器域名解析ip地址结果查询工具

代码语言：php

所属分类：其他

代码描述：php实现不同地区dns服务器域名解析ip地址结果查询工具

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<?php
// 定义DNS服务器列表和解析函数
$global_dns_servers = array(
    '中国大陆' => array(
        '阿里DNS' => '223.5.5.5',
        'DNSPod' => '119.29.29.29'
    ),
    '中国香港' => array(
        'HKDNS' => '203.198.7.66',
        'HGC DNS' => '218.102.23.228'
    ),
    '中国台湾' => array(
        'TWNIC DNS' => '101.101.101.101',
        'HiNet DNS' => '168.95.1.1'
    ),
    '日本' => array(
        'JPRS DNS' => '203.119.1.1',
        'IIJ DNS' => '202.232.2.1'
    ),
    '韩国' => array(
        'KT DNS' => '168.126.63.1',
        'SK DNS' => '210.220.163.82'
    ),
    '新加坡' => array(
        'SingNet DNS' => '165.21.83.88',
        'Starhub DNS' => '203.116.1.78'
    ),
    '美国' => array(
        'Google DNS' => '8.8.8.8',
        'Cloudflare' => '1.1.1.1'
    ),
    '俄罗斯' => array(
        'Yandex DNS' => '77.88.8.8',
        'RU-Center' => '193.58.251.251'
    ),
    '德国' => array(
        'DNS.WATCH' => '84.200.69.80',
        'Freenom DNS' => '80.80.80.80'
    ),
    '英国' => array(
        'BT DNS' => '194.72.0.114',
        'Virgin Media' => '194.168.4.100'
    ),
    '法国' => array(
        'Orange DNS' => '194.126.130.10',
        'FDN DNS' => '80.67.169.12'
    ),
    '印度' => array(
        'BSNL DNS' => '218.248.255.141',
        'Airtel DNS' => '202.138.120.4'
    ),
    '澳大利亚' => array(
        'Telstra DNS' => '139.130.4.4',
        'Optus DNS' => '198.142.0.51'
    )
);

function resolve_domain($domain, $dns_server) {
    $result = array();
    $start_time = microtime(true);
    
    $context = stream_context_create([
        'socket' => [
            'timeout' => 3.0
        ]
    ]);
    
    putenv("RES_OPTIONS=nameserver $dns_server");
    
    try {
        $dns = dns_get_record($domain, DNS_A);
        $response_time = round((microtime(true) - $start_time) * 1000);
        
        if($dns) {
            $result['ip'] = $dns[0]['ip'];
            $result['response_time'] = $response_time;
            $result['dns_server'] = $dns_server;
        } else {
            $result['ip'] = '无法解析';
            $result['response_time'] = 0;
            $result['dns_server'] = $dns_server;
        }
    } catch (Exception $e) {
        $result['ip'] = '解析错误';
        $result['response_time'] = 0;
        $result['dns_server'] = $dns_server;
    }
    
    return $result;
}

// 处理POST请求
if(isset($_POST['domain'])) {
    $domain = $_POST['domain'];
    $results = array();
    
    foreach($global_dns_servers as $country => $servers) {
        $first_server = reset($servers);
        if($first_server !== false) {
            $server_name = key($servers);
            $server_ip = $first_server;
            $results[$country] = resolve_domain($domain, $server_ip);
        }
    }
    
    header('Content-Type: application/json');
    echo json_encode($results, JSON_UNESCAPED_UNICODE);
    exit;
}
?>

<!DOCTYPE html>
<html>
<head>
    <t.........完整代码请登录后点击上方下载按钮下载查看