{"id":5307,"date":"2026-05-25T11:55:57","date_gmt":"2026-05-25T11:55:57","guid":{"rendered":"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/?p=5307"},"modified":"2026-05-25T11:57:06","modified_gmt":"2026-05-25T11:57:06","slug":"501-fix-slow-dns-lookup-html","status":"publish","type":"post","link":"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/501-fix-slow-dns-lookup-html","title":{"rendered":"How to Fix Slow DNS Lookup? &#8211; A Complete Guide"},"content":{"rendered":"\n<p>You type a website name into your browser, press Enter, and wait\u2026 and wait\u2026<\/p>\n\n\n\n<p>while the page slowly starts loading. In many cases, the actual website server is not the problem; the delay begins much earlier during the DNS lookup process.<\/p>\n\n\n\n<p>As you know, DNS (Domain Name System) converts human-friendly domain names into IP addresses that computers understand. If this translation process slows down, every website request is delayed before the connection even starts.<\/p>\n\n\n\n<p>In 2026, website speed is more important than ever. Slow DNS lookups can affect:<\/p>\n\n\n\n<ul>\n  <li style=\"margin-left: 24px;\">Website loading speed<\/li>\n  <li style=\"margin-left: 24px;\">User experience<\/li>\n  <li style=\"margin-left: 24px;\">SEO performance<\/li>\n  <li style=\"margin-left: 24px;\">API response time<\/li>\n  <li style=\"margin-left: 24px;\">Gaming and streaming latency<\/li>\n  <li style=\"margin-left: 24px;\">Email delivery speed<\/li>\n  <li style=\"margin-left: 24px;\">Business productivity<\/li>\n<\/ul>\n\n\n\n<p>The good news is that slow DNS lookup issues are usually fixable with the right troubleshooting steps.<\/p>\n\n\n\n<p>In this guide, you will learn:<\/p>\n\n\n\n<ul>\n  <li style=\"margin-left: 24px;\">What a slow DNS lookup actually means<\/li>\n  <li style=\"margin-left: 24px;\">Common reasons behind DNS delays<\/li>\n  <li style=\"margin-left: 24px;\">How to diagnose the issue<\/li>\n  <li style=\"margin-left: 24px;\">Detailed steps to fix slow DNS lookup<\/li>\n  <li style=\"margin-left: 24px;\">Small optimisation tips for better DNS performance<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/294\/How-to-Connect-Your-Domain-with-Your-Hosting-Account.html\"><strong>How to Connect Your Domain with Your Hosting Account<\/strong><\/a><strong>&nbsp;<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is DNS Lookup?<\/strong><\/h2>\n\n\n\n<p>A DNS lookup is the process by which your device queries a DNS server for the IP address associated with a domain name.<\/p>\n\n\n\n<p><strong>For example:<\/strong><\/p>\n\n\n\n<p><strong>www.example.com \u2192 192.0.2.1<\/strong><\/p>\n\n\n\n<p>Before your browser connects to a website, it must first complete this DNS translation. If the DNS server is responding slowly, the browser waits longer before loading the website.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/15\/what-is-epp-code-and-where-can-i-find-it.html\"><strong>What is the EPP Code, and Where Can You Find It?<\/strong><\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What are the Signs of Slow DNS Lookup?<\/strong><\/h2>\n\n\n\n<p>Here are some common symptoms:<\/p>\n\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 When websites take time to start loading<\/li>\n    <li>\u2794 When <strong>\u201cWaiting for server response\u201d<\/strong> appears frequently<\/li>\n    <li>\u2794 When pages load fast after refreshing<\/li>\n    <li>\u2794 When the internet is slow only on certain websites<\/li>\n    <li>\u2794 When applications take time to connect<\/li>\n    <li>\u2794 When high DNS lookup time in website speed tests<\/li>\n    <li>\u2794 When delays while opening emails or cloud applications<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/457\/fix-dns-probe-finished-nxdomain.html\"><strong>Guide to Fix DNS_PROBE_FINISHED_NXDOMAIN?<\/strong><\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What are the Common Causes of Slow DNS Lookup?<\/strong><\/h2>\n\n\n\n<p>\n  <strong style=\"font-size:18px;\">1. Slow DNS Resolver<\/strong>\n<\/p>\n\n\n\n<p>This is one of the most common causes of DNS delays. Your internet provider\u2019s DNS servers may be overloaded or poorly optimised, which is causing the issue.<\/p>\n\n\n\n<p>\n  <strong style=\"font-size:18px;\">2. DNS Cache Problems<\/strong>\n<\/p>\n\n\n\n<p>Sometimes old or corrupted DNS cache entries can create lookup delays or incorrect routing. So, your device may keep trying outdated DNS records before requesting fresh ones.<\/p>\n\n\n\n<p>\n  <strong style=\"font-size:18px;\">3. High DNS TTL Misconfiguration<\/strong>\n<\/p>\n\n\n\n<p>TTL (Time To Live) defines how long DNS records stay cached. Very low TTL values can force devices to repeatedly request DNS records, which increases lookup time.<\/p>\n\n\n\n<p>\n  <strong style=\"font-size:18px;\">4. Too Many DNS Requests<\/strong>\n<\/p>\n\n\n\n<p>Websites with multiple external scripts, tracking tools, fonts, and APIs generate extra DNS lookups &amp; each additional domain creates another DNS request.<\/p>\n\n\n\n<p>\n  <strong style=\"font-size:18px;\">5. Network Congestion<\/strong>\n<\/p>\n\n\n\n<p>It is obvious that a slow or unstable internet connection can also increase DNS response time.<\/p>\n\n\n\n<p>\n  <strong style=\"font-size:18px;\">6. Firewall or Security Software<\/strong>\n<\/p>\n\n\n\n<p>There are some antivirus tools, VPNs, or firewalls that inspect DNS traffic, which may slow down requests.<\/p>\n\n\n\n<p>\n  <strong style=\"font-size:18px;\">7. Poor Hosting DNS Infrastructure<\/strong>\n<\/p>\n\n\n\n<p>If your domain uses slow or unreliable nameservers, DNS resolution becomes slower globally.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/359\/How-to-Configure-Domain-Redirects-in-cPanel.html\"><strong>How to Configure Domain Redirects in cPanel?<\/strong><\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How to Check DNS Lookup Speed?<\/strong><\/h2>\n\n\n\n<p>Before fixing the issue, it is important to determine whether DNS is actually the problem.<\/p>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Method 1: By Using Browser Developer Tools<\/strong><\/p>\n<p>This method shows whether the delay occurs during DNS lookup or elsewhere.<\/p>\n<p><strong>Steps to follow:<\/strong><\/p>\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 Open your browser &#038; press <strong>F12<\/strong><\/li>\n    <li>\u2794 Go to the <strong>\u2018Network\u2019<\/strong> tab &#038; reload the website<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"497\" height=\"230\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image12.png\" alt=\"\" class=\"wp-image-5340\" srcset=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image12.png 497w, https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image12-300x139.png 300w\" sizes=\"auto, (max-width: 497px) 100vw, 497px\" \/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 In that, check the timing section<li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"551\" height=\"91\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image5.png\" alt=\"\" class=\"wp-image-5345\" srcset=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image5.png 551w, https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image5-300x50.png 300w\" sizes=\"auto, (max-width: 551px) 100vw, 551px\" \/><\/figure>\n<\/div>\n\n\n<p>If <strong>\u201cDNS Lookup\u201d<\/strong> takes an unusually long time, DNS is likely the issue.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"552\" height=\"126\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image10.png\" alt=\"\" class=\"wp-image-5347\" srcset=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image10.png 552w, https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image10-300x68.png 300w\" sizes=\"auto, (max-width: 552px) 100vw, 552px\" \/><\/figure>\n<\/div>\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Method 2: Use Command Line Tools<\/strong><\/p>\n<p>You can use the command method to check the speed of DNS Lookup<\/p>\n<p><strong>On Windows<\/strong><\/p>\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 Open Command Prompt and run:<\/li>\n<\/ul>\n<figure class=\"wp-block-table\"><button class=\"copy-btn\" onclick=\"copyCommand(this)\">\ud83d\udccb<\/button><span class=\"copy-msg\">Copied!<\/span>\n    <table class=\"has-fixed-layout\">\n        <tbody>\n            <tr>\n                <td class=\"kb_firewall\"><strong><strong>nslookup example.com<\/strong><\/strong><\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n<\/figure>\n\n\n\n<p>Replace <strong>\u201cexample.com\u201d <\/strong>with your domain.<\/p>\n\n\n\n<p><strong>On Linux\/macOS<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><button class=\"copy-btn\" onclick=\"copyCommand(this)\">\ud83d\udccb<\/button><span class=\"copy-msg\">Copied!<\/span>\n    <table class=\"has-fixed-layout\">\n        <tbody>\n            <tr>\n                <td class=\"kb_firewall\"><strong><strong>dig example.com<\/strong><\/strong><\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n<\/figure>\n\n\n\n<p><strong>What does this do?<\/strong><\/p>\n\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 These tools measure how quickly DNS servers respond.<\/li>\n    <li>\u2794 Higher response times indicate DNS delays.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>When Slow DNS Lookup Becomes a Serious Problem?<\/strong><\/h2>\n\n\n\n<p><strong>You should investigate immediately if:<\/strong><\/p>\n\n\n\n<ul>\n  <li style=\"margin-left: 24px;\">If your DNS lookup exceeds 500ms regularly<\/li>\n  <li style=\"margin-left: 24px;\">If your website speed suddenly drops<\/li>\n  <li style=\"margin-left: 24px;\">If users report intermittent loading issues<\/li>\n  <li style=\"margin-left: 24px;\">If DNS failures occur in multiple countries<\/li>\n  <li style=\"margin-left: 24px;\">If Email delivery becomes inconsistent<\/li>\n<\/ul>\n\n\n\n<p><strong>Persistent DNS issues can negatively affect:<\/strong><\/p>\n\n\n\n<ul>\n  <li style=\"margin-left: 24px;\">Your SEO rankings<\/li>\n  <li style=\"margin-left: 24px;\">Your Conversion rates<\/li>\n  <li style=\"margin-left: 24px;\">Your Customer trust<\/li>\n  <li style=\"margin-left: 24px;\">Your Website uptime perception<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/422\/difference-between-website-domain-and-url.html\"><strong>Difference Between a Website, Domain Name and a URL<\/strong><\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ways to Fix Slow DNS Lookup<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Change Your DNS Server<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>Your default ISP DNS servers may not be optimized for speed.<\/p>\n\n\n\n<p>Public DNS providers usually offer:<\/p>\n\n\n\n<ul>\n  <li style=\"margin-left: 24px;\">Faster response times<\/li>\n  <li style=\"margin-left: 24px;\">Better global infrastructure<\/li>\n  <li style=\"margin-left: 24px;\">Improved reliability<\/li>\n  <li style=\"margin-left: 24px;\">Lower latency<\/li>\n<\/ul>\n\n\n\n<p><strong>Popular DNS Providers<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>              <strong>Provider<\/strong><\/td><td><strong>Primary DNS<\/strong><\/td><td><strong>Secondary DNS<\/strong><\/td><\/tr><tr><td><strong>Google DNS<\/strong><\/td><td>8.8.8.8<\/td><td>8.8.4.4<\/td><\/tr><tr><td><strong>Cloudflare DNS<\/strong><\/td><td>1.1.1.1<\/td><td>1.0.0.1<\/td><\/tr><tr><td><strong>OpenDNS<\/strong><\/td><td>208.67.222.222<\/td><td>208.67.220.220<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Steps to Change DNS on Windows<\/strong><\/p>\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>1. Firstly, open your <strong>\u2018Control Panel\u2019<\/strong> on your PC.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"143\" height=\"111\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image4.png\" alt=\"\" class=\"wp-image-5380\"\/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>2. Go to the <strong>\u2018Network and Internet.\u2019<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"658\" height=\"276\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image3.png\" alt=\"\" class=\"wp-image-5383\" srcset=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image3.png 658w, https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image3-300x126.png 300w\" sizes=\"auto, (max-width: 658px) 100vw, 658px\" \/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>3. In that, click on <strong>\u2018Network and Sharing Center\u2019<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"104\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image11.png\" alt=\"\" class=\"wp-image-5388\" srcset=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image11.png 576w, https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image11-300x54.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>4. click <strong>\u2018Change Adapter Settings\u2019<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"167\" height=\"139\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image7.png\" alt=\"\" class=\"wp-image-5392\"\/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>5. Right-click your network connection &#038; select <strong>\u2018Properties\u2019<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"215\" height=\"206\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image6.png\" alt=\"\" class=\"wp-image-5397\"\/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>6. Open <strong>\u2018Internet Protocol Version 4 (TCP\/IPv4)\u2019<\/strong> by double-clicking on it.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"326\" height=\"151\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image9.png\" alt=\"\" class=\"wp-image-5400\" srcset=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image9.png 326w, https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image9-300x139.png 300w\" sizes=\"auto, (max-width: 326px) 100vw, 326px\" \/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>7. Choose <strong>\u2018Use the following DNS server addresses\u2019<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"515\" height=\"87\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image8.png\" alt=\"\" class=\"wp-image-5405\" srcset=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image8.png 515w, https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image8-300x51.png 300w\" sizes=\"auto, (max-width: 515px) 100vw, 515px\" \/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>8. Enter the DNS values<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"86\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image1.png\" alt=\"\" class=\"wp-image-5409\" srcset=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image1.png 501w, https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image1-300x51.png 300w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/figure>\n<\/div>\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n  <li>9. Save settings by clicking <strong>\u2018OK\u2019<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"174\" height=\"36\" src=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/wp-content\/uploads\/2026\/05\/image2.png\" alt=\"\" class=\"wp-image-5413\"\/><\/figure>\n<\/div>\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What This Will Do?<\/strong><\/p>\n\n\n\n<p>Your system will start using faster DNS resolvers for future requests.<\/p>\n\n\n\n<div style=\"border: 1px solid #faf4ff; padding: 12px 16px; background-color: #faf4ff; display: inline-block;\">\n  <p style=\"margin: 0 0 8px 0;\">\n    <strong>\u2605 Quick Tip<\/strong>\n  <\/p>\n\n  <p style=\"margin: 0;\">\n    Cloudflare DNS (1.1.1.1) is widely known for its low-latency,\n    privacy-focused DNS performance.\n  <\/p>\n<\/div>\n\n\n\n<h3><strong>2. Flush DNS Cache<\/strong><\/h3>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>Your system stores DNS records locally to speed up browsing. If the cache becomes outdated or corrupted, it can create delays.<\/p>\n\n\n\n<p>Flushing clears old entries and forces fresh DNS requests.<\/p>\n\n\n\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 On Windows<\/li>\n<\/ul>\n<figure class=\"wp-block-table\"><button class=\"copy-btn\" onclick=\"copyCommand(this)\">\ud83d\udccb<\/button><span class=\"copy-msg\">Copied!<\/span>\n    <table class=\"has-fixed-layout\">\n        <tbody>\n            <tr>\n                <td class=\"kb_firewall\"><strong><strong>ipconfig \/flushdns<\/strong><\/strong><\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n<\/figure>\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 On macOS<\/li>\n<\/ul>\n<figure class=\"wp-block-table\"><button class=\"copy-btn\" onclick=\"copyCommand(this)\">\ud83d\udccb<\/button><span class=\"copy-msg\">Copied!<\/span>\n    <table class=\"has-fixed-layout\">\n        <tbody>\n            <tr>\n                <td class=\"kb_firewall\"><strong><strong>sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder<\/strong><\/strong><\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n<\/figure>\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 On Linux<\/li>\n<\/ul>\n<figure class=\"wp-block-table\"><button class=\"copy-btn\" onclick=\"copyCommand(this)\">\ud83d\udccb<\/button><span class=\"copy-msg\">Copied!<\/span>\n    <table class=\"has-fixed-layout\">\n        <tbody>\n            <tr>\n                <td class=\"kb_firewall\"><strong><strong>sudo systemctl restart systemd-resolved<\/strong><\/strong><\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n<\/figure>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What This Will Do?<\/strong><\/p>\n\n\n\n<p>Your device will rebuild the DNS cache using updated records.<\/p>\n\n\n\n<h3><strong>3. Restart Your Router<\/strong><\/h3>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>Routers also maintain temporary DNS and network sessions. Over time, cached sessions or memory issues may affect DNS performance.<\/p>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Steps to follow<\/strong><\/p>\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 You have to turn off your router<\/li>\n    <li>\u2794 Wait for 30 seconds<\/li>\n    <li>\u2794 Turn it back on<\/li>\n    <li>\u2794 Reconnect to the network<\/li>\n<\/ul>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>This will refresh DNS handling and network routing on the router.<\/p>\n\n\n\n<h3><strong>4. Disable Unnecessary VPN or Security Filtering<\/strong><\/h3>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>Some VPNs and antivirus software route DNS requests through additional filtering systems.<\/p>\n\n\n\n<p>This increases lookup latency.<\/p>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Steps to follow<\/strong><\/p>\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 Temporarily disable VPN<\/li>\n    <li>\u2794 You can disable DNS filtering features<\/li>\n    <li>\u2794 Test website speed again<\/li>\n<\/ul>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What This Will Do<\/strong><\/p>\n\n\n\n<p>This helps identify whether security filtering is causing DNS delays.<\/p>\n<div style=\"border: 1px solid #faf4ff; padding: 18px 24px; background-color: #faf4ff; width: 730px;\">\n  <p style=\"margin: 0 0 10px 0;\">\n    <strong>\u2605 Small Optimization Tip<\/strong>\n  <\/p>\n\n  <p style=\"margin: 0 0 10px 0;\">\n    If you use a VPN regularly, choose one that supports:\n  <\/p>\n\n  <ul style=\"margin: 0; padding-left: 20px;\">\n    <li style=\"margin-left: 24px;\">Fast DNS resolvers<\/li>\n    <li style=\"margin-left: 24px;\">WireGuard protocol<\/li>\n    <li style=\"margin-left: 24px;\">Split tunneling<\/li>\n  <\/ul>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Optimize Website DNS Requests<\/strong><\/h3>\n\n\n\n<p><strong><em>*Note: This method is useful for Website Owners.<\/em><\/strong><\/p>\n\n\n\n<p style=\"font-size:20px; margin-left:24px;\"><strong>\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>Every external service creates another DNS lookup. So having too many third-party services increases page load time.<\/p>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What you can do<\/strong><\/p>\n\n\n\n<p><strong>Reduce External Requests<\/strong><\/p>\n\n\n\n<p>Try minimizing:<\/p>\n\n\n\n<ul>\n  <li style=\"margin-left: 24px;\">External fonts<\/li>\n  <li style=\"margin-left: 24px;\">Tracking scripts<\/li>\n  <li style=\"margin-left: 24px;\">Ad networks<\/li>\n  <li style=\"margin-left: 24px;\">Social media widgets<\/li>\n  <li style=\"margin-left: 24px;\">Multiple CDN domains<\/li>\n  <li style=\"margin-left: 24px;\">What This Will Do<\/li>\n<\/ul>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What this will do<\/strong><\/p>\n\n\n\n<p>By reducing DNS lookups, your website&#8217;s loading speed will improve.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Use a Reliable DNS Hosting Provider<\/strong><\/h3>\n\n\n\n<p><strong><em>*Note: This method is useful for Website Owners.<\/em><\/strong><\/p>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>Premium DNS providers use:<\/p>\n\n\n\n<ul>\n  <li style=\"margin-left: 24px;\">Global Anycast networks<\/li>\n  <li style=\"margin-left: 24px;\">Faster propagation<\/li>\n  <li style=\"margin-left: 24px;\">Redundant infrastructure<\/li>\n  <li style=\"margin-left: 24px;\">Better uptime<\/li>\n<\/ul>\n<p><strong>Features you have to Look For<\/strong><\/p>\n<ul>\n  <li style=\"margin-left: 24px;\">Anycast DNS<\/li>\n  <li style=\"margin-left: 24px;\">DDoS protection<\/li>\n  <li style=\"margin-left: 24px;\">Global DNS nodes<\/li>\n  <li style=\"margin-left: 24px;\">DNSSEC support<\/li>\n  <li style=\"margin-left: 24px;\">Low-latency infrastructure<\/li>\n<\/ul>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What This Will Do<\/strong><\/p>\n\n\n\n<p>Users will connect to the nearest DNS node for faster responses.<\/p>\n\n\n\n<div style=\"border: 1px solid #faf4ff; padding: 18px 24px; background-color: #faf4ff; width: 730px;\">\n  <p style=\"margin: 0 0 10px 0;\">\n    <strong>\u2605 Quick Tip<\/strong>\n  <\/p>\n\n  <p style=\"margin: 0;\">\n    DNS speed can affect Core Web Vitals indirectly because browsers cannot load assets until DNS resolution completes.\n  <\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7. Enable DNS Prefetching<\/strong><\/h3>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>DNS prefetching tells browsers to resolve domains before users click links. This reduces future waiting time.<\/p>\n\n\n\n<p>For Example:<\/p>\n\n\n\n<p><strong>&lt;link rel=&#8221;dns-prefetch&#8221; href=&#8221;\/\/example-cdn.com&#8221;&gt;<\/strong><\/p>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What This Will Do<\/strong><\/p>\n\n\n\n<p>The browser performs DNS resolution in advance to speed up loading.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>8. Check for High DNS Response Time from Hosting<\/strong><\/h3>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n\n\n\n<p>Sometimes the issue comes from an overloaded hosting infrastructure or poorly configured nameservers.<\/p>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What You Have to Check<\/strong><\/p>\n<ul style=\"list-style:none; padding-left:0; margin-left:24px;\">\n    <li>\u2794 Nameserver response time<\/li>\n    <li>\u2794 DNS propagation issues<\/li>\n    <li>\u2794 DNSSEC errors<\/li>\n    <li>\u2794 Server overload<\/li>\n    <li>\u2794 Geographic latency<\/li>\n<\/ul>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What This Will Do<\/strong><\/p>\n\n\n\n<p>It helps identify whether the hosting provider is causing DNS delays.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>9. Reduce DNS TTL Misconfiguration<\/strong><\/h3>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Why This Works<\/strong><\/p>\n<p>Extremely low TTL values force repeated DNS lookups. This increases the load on DNS servers.\n<\/p>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Recommended TTL by Host IT Smart<\/strong><\/p>\n<p><strong>For most websites:<\/strong> 300 to 3600 seconds\n<\/p>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 What This Will Do<\/strong><\/p>\n<p>It balances caching efficiency with DNS update flexibility.\n<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/440\/how-to-configure-dns-in-linux.html\"><strong>How to Configure DNS on Linux?<\/strong><\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Advanced DNS Optimization Tips to Follow<\/strong><\/h2>\n\n\n\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Use IPv6-Compatible DNS<\/strong>\n<\/p>\n<p>Modern DNS providers that support IPv6 may offer faster routing in certain regions.\n<\/p>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Enable Browser DNS Caching<\/strong><\/p>\n<p>Most modern browsers already cache DNS records, but clearing excessive extensions can improve performance.\n<\/p>\n<p style=\"margin-left:24px;\">\n  <strong style=\"font-size:18px;\">\u27a2 Use HTTP\/3-Compatible Hosting<\/strong><\/p>\n<p>Modern protocols reduce connection setup overhead after DNS resolution.\n<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p><strong>Also Read: <\/strong><a href=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/409\/how-to-create-dns-zone-in-whm.html\"><strong>How To Create a DNS Zone in WHM?<\/strong><\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Slow DNS lookup may seem like a small technical issue, but it can significantly affect browsing speed, website performance, and user experience.<\/p>\n\n\n\n<p>The good part is that most DNS issues can be improved by:<\/p>\n\n\n\n<ul>\n  <li style=\"margin-left: 24px;\">Switching to a faster DNS provider<\/li>\n  <li style=\"margin-left: 24px;\">Clearing DNS cache<\/li>\n  <li style=\"margin-left: 24px;\">Optimizing website DNS requests<\/li>\n  <li style=\"margin-left: 24px;\">Using reliable nameservers<\/li>\n  <li style=\"margin-left: 24px;\">Reducing unnecessary third-party connections<\/li>\n<\/ul>\n\n\n\n<p>For website owners in 2026, DNS optimization is no longer optional. Faster DNS resolution helps improve website responsiveness, enhances user satisfaction, and supports better overall performance.<\/p>\n\n\n\n<p>Even a few milliseconds saved during DNS resolution can create a noticeably faster browsing experience for visitors across the world.<\/p>\n\n\n\n<script>\nfunction copyCommand(btn) {\n  const td = btn.parentElement.querySelector(\"td.kb_firewall\");\n  const text = td.innerText.trim();\n\n  navigator.clipboard.writeText(text).then(() => {\n    const msg = btn.parentElement.querySelector(\".copy-msg\");\n    msg.style.display = \"inline-block\";\n    setTimeout(() => msg.style.display = \"none\", 1000);\n  });\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>You type a website name into your browser, press Enter, and wait\u2026 and wait\u2026 while the page slowly starts loading. In many cases, the actual website server is not the problem; the delay begins much earlier during the DNS lookup process. As you know, DNS (Domain Name System) converts human-friendly domain names into IP addresses [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-5307","post","type-post","status-publish","format-standard","hentry","category-domain-dns-queries"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Fix Slow DNS Lookup? - A Complete Guide<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hostitsmart.com\/manage\/knowledgebase\/501-fix-slow-dns-lookup-html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Fix Slow DNS Lookup? - A Complete Guide\" \/>\n<meta property=\"og:description\" content=\"You type a website name into your browser, press Enter, and wait\u2026 and wait\u2026 while the page slowly starts loading. 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