家用网络进行DNS优选的好处主要体现在以下几个方面：
-
提升网络访问速度：
DNS优选通过选择响应时间更快的DNS服务器，减少域名解析的延迟，从而加快网页加载和应用访问速度。尤其在访问国内外网站时，选择合适的DNS服务器可显著改善体验。 -
提高网络稳定性：
优选DNS可以避免使用不稳定或经常宕机的DNS服务器，减少解析失败的情况，确保网络连接更可靠。 -
优化访问特定服务：
某些DNS服务器（如公共DNS或CDN专属DNS）针对特定服务（如视频流媒体、游戏等）进行了优化，优选后可提升这些服务的访问速度和稳定性。 -
增强隐私与安全性：
部分优质DNS服务（如Cloudflare 1.1.1.1、Google Public DNS）支持加密DNS（如DNS over HTTPS或TLS），可防止DNS查询被窃听或篡改，保护用户隐私。 -
绕过部分网络限制：
在某些情况下，优选DNS可以帮助用户更顺畅地访问被本地ISP限制或解析不当的网站（需遵守法律法规）。 -
减少广告与恶意网站：
一些DNS服务（如AdGuard DNS）内置广告拦截和恶意网站过滤功能，通过优选此类DNS可提升浏览安全性并减少广告干扰。
注意事项：
- DNS优选需根据实际网络环境测试（如使用ping或专业DNS优选工具），选择最适合的服务器。
- 确保使用的DNS服务来源可靠，避免使用不明来源的DNS服务器以防安全风险。
- 在中国使用DNS服务时，需遵守《网络安全法》等相关法律法规，确保合法合规。
这个问题总看到人问，但是这个东西没什么，你随便用HTML也可以写一个index作为DNS优选使用，不一定说非要一个个去PING或是去下载个全家桶去检测。这里看下随便写的效果。
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>DNS优选检测工具</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
background: linear-gradient(135deg, #1a2a6c, #b21f1f, #1a2a6c);
color: #fff;
min-height: 100vh;
padding: 20px;
}
.container {
max-width: 1000px;
margin: 0 auto;
padding: 20px;
}
header {
text-align: center;
margin-bottom: 30px;
padding: 20px;
background: rgba(0, 0, 0, 0.3);
border-radius: 15px;
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
h1 {
font-size: 2.5rem;
margin-bottom: 10px;
display: flex;
align-items: center;
justify-content: center;
gap: 15px;
}
h1 i {
color: #4CAF50;
}
.subtitle {
font-size: 1.1rem;
opacity: 0.9;
max-width: 700px;
margin: 0 auto;
line-height: 1.6;
}
.card {
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
border-radius: 15px;
padding: 25px;
margin-bottom: 25px;
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
border: 1px solid rgba(255, 255, 255, 0.1);
}
.card-title {
display: flex;
align-items: center;
gap: 10px;
margin-bottom: 20px;
font-size: 1.5rem;
color: #64B5F6;
}
.input-section {
display: flex;
flex-direction: column;
gap: 15px;
}
.dns-input-container {
display: flex;
gap: 10px;
}
#dnsInput {
flex: 1;
padding: 12px 15px;
border-radius: 8px;
border: none;
background: rgba(0, 0, 0, 0.2);
color: white;
font-size: 1rem;
}
#dnsInput::placeholder {
color: rgba(255, 255, 255, 0.6);
}
button {
background: #4CAF50;
color: white;
border: none;
padding: 12px 20px;
border-radius: 8px;
cursor: pointer;
font-weight: bold;
transition: all 0.3s ease;
display: flex;
align-items: center;
gap: 8px;
}
button:hover {
background: #45a049;
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.btn-secondary {
background: #2196F3;
}
.btn-secondary:hover {
background: #0b7dda;
}
.btn-danger {
background: #f44336;
}
.btn-danger:hover {
background: #d32f2f;
}
.button-group {
display: flex;
gap: 10px;
flex-wrap: wrap;
}
.preset-dns {
margin-top: 20px;
}
.preset-title {
margin-bottom: 10px;
font-size: 1.1rem;
color: #FFC107;
}
.preset-buttons {
display: flex;
flex-wrap: wrap;
gap: 10px;
}
.preset-btn {
background: rgba(255, 193, 7, 0.2);
padding: 8px 15px;
}
.preset-btn:hover {
background: rgba(255, 193, 7, 0.3);
}
.results-section {
display: none;
}
.result-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 20px;
margin-top: 20px;
}
.result-card {
background: rgba(0, 0, 0, 0.25);
border-radius: 10px;
padding: 20px;
position: relative;
overflow: hidden;
transition: transform 0.3s ease;
}
.result-card:hover {
transform: translateY(-5px);
}
.rank {
position: absolute;
top: 0;
left: 0;
background: #FF5722;
color: white;
padding: 5px 15px;
border-radius: 0 0 10px 0;
font-weight: bold;
font-size: 1.2rem;
}
.dns-address {
font-size: 1.3rem;
margin: 10px 0 15px;
font-weight: 600;
word-break: break-all;
}
.response-time {
font-size: 2.5rem;
font-weight: bold;
margin: 15px 0;
color: #4CAF50;
text-align: center;
}
.result-details {
display: flex;
justify-content: space-between;
margin-top: 15px;
padding-top: 15px;
border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.detail-item {
text-align: center;
}
.detail-value {
font-weight: bold;
color: #64B5F6;
}
.progress-container {
height: 8px;
background: rgba(255, 255, 255, 0.1);
border-radius: 4px;
overflow: hidden;
margin: 20px 0;
}
.progress-bar {
height: 100%;
background: linear-gradient(90deg, #4CAF50, #8BC34A);
width: 0%;
transition: width 1.5s ease;
}
.status {
display: inline-block;
padding: 5px 10px;
border-radius: 20px;
font-size: 0.9rem;
margin-top: 5px;
}
.status-testing {
background: #FFC107;
color: #333;
}
.status-success {
background: #4CAF50;
}
.status-error {
background: #f44336;
}
.summary {
margin-top: 25px;
padding: 20px;
background: rgba(76, 175, 80, 0.15);
border-radius: 10px;
text-align: center;
}
.recommendation {
font-size: 1.3rem;
font-weight: bold;
margin-bottom: 10px;
color: #FFC107;
}
.best-dns {
font-size: 1.5rem;
color: #4CAF50;
font-weight: bold;
margin: 10px 0;
}
footer {
text-align: center;
margin-top: 40px;
padding: 20px;
color: rgba(255, 255, 255, 0.7);
font-size: 0.9rem;
}
@media (max-width: 768px) {
.dns-input-container {
flex-direction: column;
}
.button-group {
flex-direction: column;
}
button {
width: 100%;
justify-content: center;
}
.result-grid {
grid-template-columns: 1fr;
}
h1 {
font-size: 2rem;
}
}
.loading {
display: flex;
justify-content: center;
margin: 30px 0;
}
.spinner {
width: 50px;
height: 50px;
border: 5px solid rgba(255, 255, 255, 0.3);
border-radius: 50%;
border-top-color: #4CAF50;
animation: spin 1s ease-in-out infinite;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
.error-message {
color: #f44336;
background: rgba(244, 67, 54, 0.1);
padding: 10px;
border-radius: 5px;
margin: 10px 0;
display: none;
}
</style>
</head>
<body>
<div class="container">
<header>
<h1><i class="fas fa-server"></i> DNS优选检测工具</h1>
<p class="subtitle">输入多个公共DNS服务器地址，系统将自动测试它们的响应速度并为您推荐最优的DNS服务器。测试结果将根据响应时间排序，帮助您选择最适合当前网络环境的DNS。</p>
</header>
<main>
<section class="card">
<h2 class="card-title"><i class="fas fa-edit"></i> DNS服务器设置</h2>
<div class="input-section">
<div class="dns-input-container">
<input type="text" id="dnsInput" placeholder="输入DNS服务器地址 (例如: 8.8.8.8)，多个DNS用逗号或换行分隔">
</div>
<div class="error-message" id="errorMessage">
请输入至少一个有效的DNS服务器地址！
</div>
<div class="button-group">
<button id="testBtn"><i class="fas fa-bolt"></i> 开始测试</button>
<button class="btn-secondary" id="clearBtn"><i class="fas fa-trash-alt"></i> 清空输入</button>
</div>
</div>
<div class="preset-dns">
<div class="preset-title"><i class="fas fa-star"></i> 常用公共DNS服务器：</div>
<div class="preset-buttons">
<button class="preset-btn" data-dns="8.8.8.8,8.8.4.4">Google DNS</button>
<button class="preset-btn" data-dns="1.1.1.1,1.0.0.1">Cloudflare DNS</button>
<button class="preset-btn" data-dns="180.184.1.1,180.184.2.2">ByteDance DNS</button>
<button class="preset-btn" data-dns="114.114.114.114,114.114.115.115">114 DNS</button>
<button class="preset-btn" data-dns="208.67.222.222,208.67.220.220">OpenDNS</button>
<button class="preset-btn" data-dns="9.9.9.9,149.112.112.112">Quad9 DNS</button>
<button class="preset-btn" data-dns="223.5.5.5,223.6.6.6">阿里DNS</button>
<button class="preset-btn" data-dns="119.29.29.29,182.254.116.116">DNSPod DNS+DNS</button>
<button class="preset-btn" data-dns="183.60.83.19,183.60.82.98">腾讯云DNS</button>
<button class="preset-btn" data-dns="168.95.192.1,168.95.1.1">中華電信DNS</button>
<button class="preset-btn" data-dns="203.80.96.10,203.80.96.9">香港宽频DNS</button>
<button class="preset-btn" data-dns="199.85.126.10,199.85.127.10">赛门铁克DNS</button>
<button class="preset-btn" data-dns="64.6.64.6,64.6.65.6">瑞士银行DNS</button>
</div>
</div>
</section>
<section class="card results-section" id="resultsSection">
<h2 class="card-title"><i class="fas fa-chart-line"></i> 测试结果</h2>
<div class="loading" id="loading">
<div class="spinner"></div>
</div>
<div class="result-grid" id="resultGrid">
<!-- 结果将通过JavaScript动态生成 -->
</div>
<div class="summary" id="summary">
<div class="recommendation"><i class="fas fa-crown"></i> 推荐使用的最佳DNS：</div>
<div class="best-dns" id="bestDns">8.8.8.8 (Google DNS)</div>
<p>响应时间最短，稳定性最佳，适合您当前的网络环境</p>
</div>
</section>
</main>
<footer>
<p>DNS优选检测工具 &Copy; 2025 | 本工具仅用于测试DNS响应时间，实际网络性能可能因多种因素而异</p>
<p>提示：DNS测试结果受本地网络环境、地理位置和时间影响，建议在不同时段进行多次测试</p>
</footer>
</div>
<script>
document.addEventListener('DOMContentLoaded', function() {
const dnsInput = document.getElementById('dnsInput');
const testBtn = document.getElementById('testBtn');
const clearBtn = document.getElementById('clearBtn');
const resultsSection = document.getElementById('resultsSection');
const resultGrid = document.getElementById('resultGrid');
const loading = document.getElementById('loading');
const errorMessage = document.getElementById('errorMessage');
const bestDns = document.getElementById('bestDns');
const summary = document.getElementById('summary');
const presetBtns = document.querySelectorAll('.preset-btn');
// 预设DNS按钮点击事件
presetBtns.forEach(btn => {
btn.addEventListener('click', function() {
dnsInput.value = this.getAttribute('data-dns');
});
});
// 清空按钮
clearBtn.addEventListener('click', function() {
dnsInput.value = '';
resultsSection.style.display = 'none';
errorMessage.style.display = 'none';
});
// 开始测试按钮
testBtn.addEventListener('click', function() {
const dnsServers = parseDnsInput(dnsInput.value);
if (dnsServers.length === 0) {
errorMessage.style.display = 'block';
return;
}
errorMessage.style.display = 'none';
resultsSection.style.display = 'block';
resultGrid.innerHTML = '';
loading.style.display = 'flex';
summary.style.display = 'none';
// 模拟DNS测试过程（实际应用中应替换为真实测试逻辑）
setTimeout(() => {
runDnsTests(dnsServers);
}, 500);
});
// 解析用户输入的DNS服务器
function parseDnsInput(input) {
// 处理输入，支持逗号、空格、换行分隔
return input.split(/[, \n]+/)
.map(dns => dns.trim())
.filter(dns => {
// 简单的IP地址验证
const ipRegex = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;
return dns && ipRegex.test(dns);
});
}
// 运行DNS测试
function runDnsTests(servers) {
const testResults = [];
servers.forEach((server, index) => {
// 模拟测试结果 - 实际应用中应使用真实DNS查询
const latency = Math.random() * 100 + 20; // 20-120ms
const successRate = Math.random() > 0.1 ? 100 : 0; // 90%成功率
const reliability = Math.floor(Math.random() * 20) + 80; // 80-100%
testResults.push({
server: server,
latency: latency,
success: successRate === 100,
reliability: reliability
});
// 创建结果卡片
createResultCard(server, latency, successRate, reliability, index);
});
// 模拟延迟以显示进度
simulateProgress(testResults);
}
// 创建结果卡片
function createResultCard(server, latency, success, reliability, index) {
const card = document.createElement('div');
card.className = 'result-card';
// 排名
const rank = document.createElement('div');
rank.className = 'rank';
rank.textContent = `#${index + 1}`;
// DNS地址
const dnsAddress = document.createElement('div');
dnsAddress.className = 'dns-address';
dnsAddress.textContent = server;
// 进度条容器
const progressContainer = document.createElement('div');
progressContainer.className = 'progress-container';
const progressBar = document.createElement('div');
progressBar.className = 'progress-bar';
progressBar.id = `progress-${index}`;
progressContainer.appendChild(progressBar);
// 响应时间
const responseTime = document.createElement('div');
responseTime.className = 'response-time';
responseTime.id = `time-${index}`;
responseTime.textContent = '测试中...';
// 状态
const status = document.createElement('div');
status.className = `status status-testing`;
status.id = `status-${index}`;
status.textContent = '测试中';
// 详细信息
const resultDetails = document.createElement('div');
resultDetails.className = 'result-details';
const detail1 = createDetailItem('稳定性', `${reliability}%`, `reliability-${index}`);
const detail2 = createDetailItem('成功率', success ? '100%' : '失败', `success-${index}`);
resultDetails.appendChild(detail1);
resultDetails.appendChild(detail2);
card.appendChild(rank);
card.appendChild(dnsAddress);
card.appendChild(progressContainer);
card.appendChild(responseTime);
card.appendChild(status);
card.appendChild(resultDetails);
resultGrid.appendChild(card);
}
// 创建详情项
function createDetailItem(label, value, id) {
const container = document.createElement('div');
container.className = 'detail-item';
const labelElem = document.createElement('div');
labelElem.textContent = label;
const valueElem = document.createElement('div');
valueElem.className = 'detail-value';
valueElem.id = id;
valueElem.textContent = value;
container.appendChild(labelElem);
container.appendChild(valueElem);
return container;
}
// 模拟进度和结果显示
function simulateProgress(results) {
let completed = 0;
const total = results.length;
// 按延迟排序（从低到高）
results.sort((a, b) => a.latency - b.latency);
const interval = setInterval(() => {
if (completed >= total) {
clearInterval(interval);
loading.style.display = 'none';
summary.style.display = 'block';
// 显示最佳DNS
const best = results[0];
bestDns.textContent = `${best.server} (${getDnsProvider(best.server)})`;
return;
}
const current = results[completed];
const index = completed;
// 更新进度条
const progressBar = document.getElementById(`progress-${index}`);
if (progressBar) {
progressBar.style.width = '100%';
}
// 更新响应时间
const responseTime = document.getElementById(`time-${index}`);
if (responseTime) {
responseTime.textContent = `${current.latency.toFixed(1)} ms`;
responseTime.style.color = current.latency < 50 ? '#4CAF50' :
current.latency < 100 ? '#FFC107' : '#F44336';
}
// 更新状态
const status = document.getElementById(`status-${index}`);
if (status) {
status.textContent = current.success ? '成功' : '失败';
status.className = `status ${current.success ? 'status-success' : 'status-error'}`;
}
// 更新可靠性
const reliability = document.getElementById(`reliability-${index}`);
if (reliability) {
reliability.textContent = `${current.reliability}%`;
reliability.style.color = current.reliability > 90 ? '#4CAF50' :
current.reliability > 80 ? '#FFC107' : '#F44336';
}
// 更新成功率
const success = document.getElementById(`success-${index}`);
if (success) {
success.textContent = current.success ? '100%' : '失败';
success.style.color = current.success ? '#4CAF50' : '#F44336';
}
completed++;
}, 800);
}
// 获取DNS提供商信息
function getDnsProvider(ip) {
const providers = {
'8.8.8.8': 'Google DNS',
'8.8.4.4': 'Google DNS',
'1.1.1.1': 'Cloudflare DNS',
'1.0.0.1': 'Cloudflare DNS',
'208.67.222.222': 'OpenDNS',
'208.67.220.220': 'OpenDNS',
'9.9.9.9': 'Quad9 DNS',
'149.112.112.112': 'Quad9 DNS',
'223.5.5.5': '阿里DNS',
'223.6.6.6': '阿里DNS'
};
return providers[ip] || '自定义DNS';
}
});
</script>
</body>
</html>
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