{"id":71067,"date":"2025-08-14T07:18:02","date_gmt":"2025-08-14T00:18:02","guid":{"rendered":"https:\/\/itsystems.vn\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/"},"modified":"2026-07-29T12:36:15","modified_gmt":"2026-07-29T05:36:15","slug":"change-dns-to-improve-internet-access-speed-a-z-detailed-guide","status":"publish","type":"post","link":"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/","title":{"rendered":"Change DNS to Improve Internet Access Speed: A-Z Detailed Guide"},"content":{"rendered":"<p><strong>Change DNS to Improve Internet Access Speed: A-Z Detailed Guide<\/strong><\/p>\n<p>Do you often feel that your internet connection is quite slow? You&#8217;re not alone! Many users face similar issues, especially when watching videos or loading websites. One simple yet effective solution to improve internet access speed is to <strong>change DNS<\/strong>. This article will guide you on how to do that.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">The content of the article<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#What_is_DNS_Why_Change_DNS\" >What is DNS? Why Change DNS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Top_DNS_Servers_for_2024_Which_One_is_Right_for_You\" >Top DNS Servers for 2024: Which One is Right for You?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Google_DNS_8888_8844_Fast_Stable_Free\" >Google DNS (8.8.8.8 \/ 8.8.4.4): Fast, Stable, Free<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Cloudflare_DNS_1111_1001_Security_Privacy_Superior_Speed\" >Cloudflare DNS (1.1.1.1 \/ 1.0.0.1): Security, Privacy, Superior Speed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#OpenDNS_Content_Control_Family_Safety\" >OpenDNS: Content Control, Family Safety<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Detailed_Comparison_Table\" >Detailed Comparison Table<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Step-by-Step_Guide_to_Change_DNS_on_All_Devices\" >Step-by-Step Guide to Change DNS on All Devices<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Change_DNS_on_Windows_1011_Step_by_Step_with_Illustrations\" >Change DNS on Windows 10\/11: Step by Step with Illustrations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#How_to_Change_DNS_on_Android_Simple_Quick\" >How to Change DNS on Android: Simple, Quick<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#How_to_Change_DNS_on_iPhoneiPad_iOS_Easy_Anyone_Can_Do_It\" >How to Change DNS on iPhone\/iPad (iOS): Easy, Anyone Can Do It<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Change_DNS_on_Wi-Fi_Router_Optimize_Speed_for_Your_Whole_Family_Network\" >Change DNS on Wi-Fi Router: Optimize Speed for Your Whole Family Network<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Check_DNS_Speed_After_Changing_Is_It_Faster_Yet\" >Check DNS Speed After Changing: Is It Faster Yet?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Important_Notes_When_Changing_DNS\" >Important Notes When Changing DNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Frequently_Asked_Questions_FAQ_About_Changing_DNS\" >Frequently Asked Questions (FAQ) About Changing DNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Related_services_from_IT_Systems\" >Related services from IT Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#When_should_a_business_ask_IT_Systems_for_support\" >When should a business ask IT Systems for support?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\" >Can IT Systems help review the current environment before proposing a solution?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Does_this_topic_connect_to_ongoing_IT_operations\" >Does this topic connect to ongoing IT operations?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/itsystems.vn\/en\/change-dns-to-improve-internet-access-speed-a-z-detailed-guide\/#Need_help_applying_this_to_your_business\" >Need help applying this to your business?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_DNS_Why_Change_DNS\"><\/span><strong>What is DNS? Why Change DNS?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>DNS<\/strong>, or <strong>Domain Name System<\/strong>, is a system that helps translate domain names (for example: www.google.com) into IP addresses that computers can understand. This is crucial because computers cannot find and connect to websites based on domain names without the corresponding IP address.<\/p>\n<p>When you use the internet, your Internet Service Provider (ISP) usually assigns a default <strong>DNS server<\/strong> for you. However, these servers are often not the fastest or most reliable options. In many cases, they can be slow due to overload or technical issues. Therefore, <strong>changing DNS<\/strong> to another server can help you achieve faster and more stable access speeds.<\/p>\n<p>The benefits of changing DNS include:<\/p>\n<ul>\n<li>Faster web browsing.<\/li>\n<li>Improved security while browsing the internet.<\/li>\n<li>Access to blocked websites.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Top_DNS_Servers_for_2024_Which_One_is_Right_for_You\"><\/span><strong>Top DNS Servers for 2024: Which One is Right for You?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Here are some popular <strong>DNS servers<\/strong> that you can choose from:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Google_DNS_8888_8844_Fast_Stable_Free\"><\/span><strong>Google DNS (8.8.8.8 \/ 8.8.4.4): Fast, Stable, Free<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Google DNS is renowned for its high speed and stability. It is a popular choice among many users worldwide.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cloudflare_DNS_1111_1001_Security_Privacy_Superior_Speed\"><\/span><strong>Cloudflare DNS (1.1.1.1 \/ 1.0.0.1): Security, Privacy, Superior Speed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cloudflare DNS not only offers fast speeds but also secures user information by not logging your browsing history.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"OpenDNS_Content_Control_Family_Safety\"><\/span><strong>OpenDNS: Content Control, Family Safety<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>OpenDNS provides many useful features such as content control, making you and your family safer while browsing the web.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Detailed_Comparison_Table\"><\/span><strong>Detailed Comparison Table<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Here is a comparison table of speed, security, and features of popular DNS servers:<\/p>\n<ul>\n<li><strong>Google:<\/strong> Fast speed, free, no security.<\/li>\n<li><strong>Cloudflare:<\/strong> Superior speed, good security, free.<\/li>\n<li><strong>OpenDNS:<\/strong> Average speed, moderate security, free with content control feature.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Step-by-Step_Guide_to_Change_DNS_on_All_Devices\"><\/span><strong>Step-by-Step Guide to Change DNS on All Devices<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Here is a detailed guide to help you change DNS on common devices.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Change_DNS_on_Windows_1011_Step_by_Step_with_Illustrations\"><\/span><strong>Change DNS on Windows 10\/11: Step by Step with Illustrations<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To change DNS on Windows, follow these steps:<\/p>\n<ol>\n<li>Right-click on the network icon on the taskbar and select <strong>Open Network &amp; Internet settings<\/strong>.<\/li>\n<li>Select <strong>Change adapter options<\/strong>.<\/li>\n<li>Select the network connection you are using (Wi-Fi or Ethernet), right-click, and select <strong>Properties<\/strong>.<\/li>\n<li>Select <strong>Internet Protocol Version 4 (TCP\/IPv4)<\/strong>, then click <strong>Properties<\/strong>.<\/li>\n<li>Select <strong>Use the following DNS server addresses<\/strong> and enter the DNS address you have chosen.<\/li>\n<li>Click <strong>OK<\/strong> and restart your computer.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"How_to_Change_DNS_on_Android_Simple_Quick\"><\/span><strong>How to Change DNS on Android: Simple, Quick<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To change DNS on an Android device, do the following:<\/p>\n<ol>\n<li>Go to <strong>Settings<\/strong>.<\/li>\n<li>Select <strong>Network &amp; Internet<\/strong> and then select Wi-Fi.<\/li>\n<li>Tap on the Wi-Fi network you are connected to.<\/li>\n<li>Scroll down and select <strong>Advanced<\/strong> &gt; <strong>IP Settings<\/strong>.<\/li>\n<li>Select <strong>Static<\/strong> and fill in the DNS address you want to use.<\/li>\n<li>Tap <strong>Save<\/strong>.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"How_to_Change_DNS_on_iPhoneiPad_iOS_Easy_Anyone_Can_Do_It\"><\/span><strong>How to Change DNS on iPhone\/iPad (iOS): Easy, Anyone Can Do It<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>On iPhone or iPad, do the following:<\/p>\n<ol>\n<li>Open <strong>Settings<\/strong>.<\/li>\n<li>Select <strong>Wi-Fi<\/strong>.<\/li>\n<li>Tap the <strong>(i)<\/strong> icon next to the Wi-Fi network you are using.<\/li>\n<li>Scroll down and select <strong>Configure DNS<\/strong>.<\/li>\n<li>Change to <strong>Manual<\/strong> and enter the desired DNS address.<\/li>\n<li>Tap <strong>Save<\/strong>.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Change_DNS_on_Wi-Fi_Router_Optimize_Speed_for_Your_Whole_Family_Network\"><\/span><strong>Change DNS on Wi-Fi Router: Optimize Speed for Your Whole Family Network<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To change DNS on the router, follow these steps:<\/p>\n<ol>\n<li>Access the router&#8217;s admin page by entering the router&#8217;s IP address into your browser.<\/li>\n<li>Log in with your credentials.<\/li>\n<li>Find the <strong>DNS Settings<\/strong> section (which may be found in WAN or DHCP).<\/li>\n<li>Enter the DNS address you want and save the changes.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Check_DNS_Speed_After_Changing_Is_It_Faster_Yet\"><\/span><strong>Check DNS Speed After Changing: Is It Faster Yet?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>After changing DNS, you should check the speed of your connection to confirm the improvement:<\/p>\n<ol>\n<li>Use online DNS speed testing tools like <strong>DNSPerf<\/strong> or <strong>GRC\u2019s DNS Benchmark<\/strong>.<\/li>\n<li>Run a speed test before and after changing your DNS.<\/li>\n<li>Review the speed and response time metrics for comparison.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Important_Notes_When_Changing_DNS\"><\/span><strong>Important Notes When Changing DNS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When <strong>changing DNS<\/strong>, you need to pay attention to a few things:<\/p>\n<ul>\n<li>Select a DNS server that suits your geographical location and usage needs.<\/li>\n<li>Avoid using unknown DNS servers, as they could pose a security risk.<\/li>\n<li>Don\u2019t forget to clear your DNS cache after changing to ensure the changes take effect immediately.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQ_About_Changing_DNS\"><\/span><strong>Frequently Asked Questions (FAQ) About Changing DNS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Here are some frequently asked questions regarding changing DNS:<\/p>\n<ul>\n<li><strong>Does changing DNS affect security?<\/strong> &#8211; Yes, using a better DNS server can help improve security.<\/li>\n<li><strong>Why isn\u2019t the network speed improved after changing DNS?<\/strong> &#8211; It could be due to various factors like bandwidth, blocked websites, or other issues from the ISP.<\/li>\n<li><strong>Should I use dynamic DNS?<\/strong> &#8211; It depends on your needs. If you need remote access to devices on your local network, dynamic DNS can be useful.<\/li>\n<\/ul>\n<p><strong>Conclusion:<\/strong><\/p>\n<p>Changing DNS to improve internet access speed is one of the simple yet effective measures. Experiment with different DNS servers to find the best option for you and experience the difference in web browsing. Good luck!<\/p>\n<p><span data-sheets-root=\"1\">Explore related services at IT Systems, providing professional and multi-channel technical support<\/span><\/p>\n<p><span data-sheets-root=\"1\"><\/p>\n<p><a class=\"in-cell-link\" href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\" target=\"_blank\" rel=\"noopener\">D\u1ecbch v\u1ee5 IT Support<br \/>\n<\/a><\/span><\/p>\n<p><span style=\"color: blue;\">If you need assistance, please contact us right away<\/span><br \/>\n<b>IT SYSTEMS VIETNAM CO., LTD<\/b><br \/>\n<i>IT Solutions \u2013 Your Business IT Department<\/i><br \/>\nHOTLINE: <b>0283 9950 359<\/b><br \/>\nEmail: <a href=\"mailto:contact@itsystems.com.vn\">contact@itsystems.com.vn <\/a><br \/>\nWebsite: <a href=\"https:\/\/itsystems.vn\/en\/\">https:\/\/itsystems.vn\/<\/a><br \/>\nFacebook: <a href=\"https:\/\/www.facebook.com\/ITSystems.VIETNAM\" target=\"_blank\" rel=\"noopener\">https:\/\/www.facebook.com\/ITSystems.VIETNAM<\/a><br \/>\nYoutube: <a href=\"https:\/\/www.youtube.com\/@ITSYSTEMS\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/@ITSYSTEMS<\/a><\/p>\n<p><b>HCM: <\/b>2nd Floor, 184\/1A Le Van Sy Street, Ward 10, Phu Nhuan District, Ho Chi Minh City, Vietnam<br \/>\n<b>HCM: <\/b>321\/10 Phan Dinh Phung Street, Ward 15, Phu Nhuan District, Ho Chi Minh City, Vietnam.<br \/>\n<b>Hanoi: <\/b>House No. 22, Garden Villa Area, Vinh Hoang Urban Area, 431 Tam Trinh Street, Hoang Mai District, Hanoi, Vietnam.<br \/>\n<b>B\u00ecnh D\u01b0\u01a1ng: <\/b>Binh Duong Boulevard, Phu Hoa Ward, Thu Dau Mot City, Binh Duong Province, Vietnam<br \/>\n<!-- its-deep-aio-en-related-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-related\" aria-label=\"Related IT Systems services\">\n<h2><span class=\"ez-toc-section\" id=\"Related_services_from_IT_Systems\"><\/span>Related services from IT Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If your team is dealing with this issue in a live business environment, these services can help you move from diagnosis to a stable operating process.<\/p>\n<ul>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/microsoft-windows-licensing\/\">Windows licensing for business<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/windows-license-pricing\/\">Windows license pricing<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">IT support services<\/a><\/li>\n<\/ul>\n<\/section>\n<p><!-- its-deep-aio-en-faq-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-faq\" aria-label=\"Frequently asked questions\">\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"When_should_a_business_ask_IT_Systems_for_support\"><\/span>When should a business ask IT Systems for support?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ask for support when the issue affects users, business data, security, licensing compliance, service availability or daily operations. A short technical review often prevents repeated incidents and hidden costs.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\"><\/span>Can IT Systems help review the current environment before proposing a solution?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. IT Systems can review the current setup, identify risks, map the issue to the right service scope and recommend a practical next step for your business.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_this_topic_connect_to_ongoing_IT_operations\"><\/span>Does this topic connect to ongoing IT operations?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In most cases, yes. Problems around software, cloud, endpoint, network, backup or security should be connected to a broader IT operations plan instead of being handled as isolated incidents.<\/p>\n<\/section>\n<p><!-- its-deep-aio-en-cta-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-cta\" aria-label=\"Contact IT Systems\">\n<h2><span class=\"ez-toc-section\" id=\"Need_help_applying_this_to_your_business\"><\/span>Need help applying this to your business?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>IT Systems Vietnam can help assess the issue, recommend the right service path and support implementation for your team.<\/p>\n<p><a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/contact-it-systems-vietnam\/\">Contact IT Systems<\/a> <a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">View IT support services<\/a><\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Change DNS to Improve Internet Access Speed: A-Z Detailed Guide Do you often feel that your internet connection is quite slow? You&#8217;re not alone! Many users face similar issues, especially when watching videos or loading websites. One simple yet effective solution to improve internet access speed is to change DNS. This article will guide you [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":71060,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"change DNS","rank_math_title":"Change DNS to Improve Internet Access Speed: A-Z Detailed Guide","rank_math_description":"Changing DNS for an effective and safe increase in Internet access speed, enhancing your online experience.","rank_math_robots":"","rank_math_canonical_url":"","rank_math_schema":"","footnotes":""},"categories":[2146,1344],"tags":[],"class_list":["post-71067","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-it-knowledge","category-uncategorized-en"],"wpml_current_locale":"en_US","wpml_translations":{"vi_VN":{"locale":"vi_VN","id":71058,"slug":"doi-dns-de-tang-toc-do-truy-cap-internet-huong-dan-chi-tiet-a-z","post_title":"\u0110\u1ed5i DNS \u0111\u1ec3 T\u0103ng T\u1ed1c \u0110\u1ed9 Truy C\u1eadp Internet: H\u01b0\u1edbng D\u1eabn Chi Ti\u1ebft A-Z","href":"https:\/\/itsystems.vn\/doi-dns-de-tang-toc-do-truy-cap-internet-huong-dan-chi-tiet-a-z\/"}},"_links":{"self":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/71067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/comments?post=71067"}],"version-history":[{"count":2,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/71067\/revisions"}],"predecessor-version":[{"id":86390,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/71067\/revisions\/86390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media\/71060"}],"wp:attachment":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media?parent=71067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/categories?post=71067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/tags?post=71067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}