{"id":8529,"date":"2022-11-28T15:14:18","date_gmt":"2022-11-28T09:44:18","guid":{"rendered":"https:\/\/threatcop.com\/blog\/?p=8529"},"modified":"2024-08-12T11:59:59","modified_gmt":"2024-08-12T06:29:59","slug":"dns-security","status":"publish","type":"post","link":"https:\/\/threatcop.com\/blog\/dns-security\/","title":{"rendered":"What is DNS Security and Why it is Important?"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Most people use the internet and search for different domain names to find the specific websites that they want to visit. But the computer won&#8217;t understand the domain names, as it only understands and uses the IP addresses to identify the website and browse it.<\/span><span style=\"font-weight: 400;\"> The majority of people don\u2019t worry about DNS security or give much thought to the domain name system.<\/span><\/span><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 ez-toc-wrap-center 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\">Table of Contents<\/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: #414141;color:#414141\" 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: #414141;color:#414141\" 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:\/\/threatcop.com\/blog\/dns-security\/#What_is_DNS_Security\" >What is DNS Security?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Book_a_Free_Demo_Call_with_Our_People_Security_Expert\" >Book a Free Demo Call with Our People Security Expert<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Enter_your_details\" >Enter your details<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Why_is_DNS_Security_Important\" >Why is DNS Security Important?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#DNS_Spoofing\" >DNS Spoofing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Hijacking\" >Hijacking<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Tunneling\" >Tunneling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Phantom_Domain_Attack\" >Phantom Domain Attack<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Random_Subdomain_Attack\" >Random Subdomain Attack<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Protective_Steps_for_DNS_Security\" >Protective Steps for DNS Security<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Use_DNS_Forwarders\" >Use DNS Forwarders<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Use_Caching-Only_DNS_Servers\" >Use Caching-Only DNS Servers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#DNS_Resolvers\" >DNS Resolvers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Disable_Zone_Transfers\" >Disable Zone Transfers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Keep_Your_DNS_Servers_Updated\" >Keep Your DNS Servers Updated<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Restrict_Zone_Transfers\" >Restrict Zone Transfers<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Conclusion_DNS_Security\" >Conclusion: DNS Security<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#FAQs_DNS_Security\" >FAQs: DNS Security<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Why_is_DNS_security_important\" >Why is DNS security important?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Does_DNS_turn_domain_names_into_IP_addresses\" >Does DNS turn domain names into IP addresses?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/threatcop.com\/blog\/dns-security\/#Why_is_DNS_security_important-2\" >Why is DNS security important?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; color: #000000;\">To make website browsing easier for users, DNS was introduced. The DNS, or Domain Name System, is a protocol that is used to determine the IP address of the website once the users enter the domain names.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The DNS made the work for the users very simple, as they don\u2019t need to type a long and unmemorizable IP address.<\/span><span style=\"font-weight: 400;\"> Since it can connect users to websites or internet-enabled applications, effective DNS servers are characterized by their invisibility. However, there is a catch to this invisibility. Threat actors frequently stage cyber attacks using the DNS layer because the majority of organizations don\u2019t bother to secure it. In this article, we will discuss DNS security.<\/span><\/span><\/p>\n\n<style type=\"text\/css\">\n      @media print, screen and (max-width: 63.99875em){\n      .tnp-submit\n      width: 48%;\n      }\n      .wp-block-tnp-minimal{\n      padding: 20px;\n      }\n      .blog_para\n      margin-top: 4px !important;\n      line-height: 25px !important;\n      font-size: 15px !important;\n      }\n\n      }\n      .blog_para{\n      font-family: jost,sans-serif;\n      margin-top: 14px;\n      margin-bottom: 30px;\n      color: #fff;\n      font-size: 15px !important;\n      color: black !important;\n\n      }\n\n      .wp-block-tnp-minimal{\n      padding:20px;\n      border: 1px solid grey;\n      }\n\n      .tnp-submit a{\n        background: #1d58c7!important;\n    border-radius: 5px!important;\n    text-transform: inherit!important;\n    padding: 8px 25px!important;\n    font-weight: 600!important;\n    color: #fff!important;\n    width: 30%!important;\n    border: none;\n      }\n\n      .blog_get{\n      font-size: 24px !important;\n      font-weight: 700;\n      padding-bottom: 0px;\n    font-family: 'Poppins' !important;\n      margin-bottom: 0px;\n      margin-top: 0px;\n      margin-bottom: 0px !important;\n      color: white;\n          line-height: 30px;\n          color: white;\n      }\n      .row{\n             display: flex;\n    flex-wrap: wrap;\n    flex-direction: row;\n    padding: 25px 0px 25px 36px;\n    align-items: center;\n\n      }\n\n.colLeft{\n         flex-basis:50%;\n    -webkit-box-flex: 0;\n    flex-grow: 0;\n    max-width: 50%;\n    color: white;\n}\n    \n .colRight{\n       flex-basis: 45%;\n    -webkit-box-flex: 0;\n    flex-grow: 0;\n    max-width: 50%;\n }\n\n.tnp-subscription-minimal{\n    float: right;\n}\n<\/style>\n<div style=\"max-width: 741px; margin: 0 auto; background-image: url('https:\/\/awareness.threatcop.ai\/marketing\/linkedinlowerbanner.webp'); background-repeat: no-repeat; background-size: cover; background-position: center; \">\n<div class=\"row\">\n<div class=\"colLeft\">\n<p class=\"blog_get\" style=\"font-family: 'Poppins' !important; color: white !important\">Subscribe to Our Newsletter On Linkedin<\/p>\n<p class=\"blog_para\" style=\"font-size: 16px;font-family: 'Poppins' !important; color: white !important; margin-top: 10px; margin-bottom: 28px;line-height: 25px;\">Sign up to Stay Tuned with the Latest Cyber Security News and Updates<\/p>\n\n<div>\n<div class=\"tnp\" style=\"margin-bottom: 10px;\">\n            <form action=\"https:\/\/threatcop.com\/newsletter-thank-you\" method=\"get\" target=\"_blank\">\n<div class=\"tnp-submit\">\n                  <a class=\"libutton\" href=\"https:\/\/www.linkedin.com\/build-relation\/newsletter-follow?entityUrn=7062043746430783488\" target=\"_blank\" rel=\"noopener\">Subscribe<\/a><\/div>\n<\/form><\/div>\n<\/div>\n<\/div>\n<div class=\"colRight\">\n<div>\n<div class=\"tnp tnp-subscription-minimal \">\n            <img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/marketing\/newsletter-icon.webp\" class=\"img-fluid\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_DNS_Security\"><\/span><span style=\"color: #000000;\"><b>What is DNS Security?<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Each organization implements its own DNS infrastructure for its websites and services. However, hackers try to hack it and perform some DNS security threats so that they can <\/span><span style=\"font-weight: 400;\">penetrate the system<\/span><span style=\"font-weight: 400;\">.<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">Organizations generally trust DNS, so their traffic is frequently permitted to pass through network firewalls. Cybercriminals frequently target it and take advantage of it, though. Therefore, DNS security is a crucial aspect of network security.<\/span><\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n\n<head>\n    <meta charset=\"UTF-8\">\n    <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>Document<\/title>\n<\/head>\n\n<style>\n    .interestedBtn {\n        width: 80% !important;\n        box-sizing: border-box !important;\n        display: inline-block !important;\n        padding: 11px !important;\n        border: 1px !important;\n        border-color: #ddd !important;\n        margin-top: 10px !important;\n        background-color: #183e8b !important;\n        background-image: none !important;\n        text-shadow: none !important;\n        color: #fff !important;\n        font-size: 14px !important;\n        line-height: 20px !important;\n        border-radius: 5px !important;\n        margin: 0 !important;\n        cursor: pointer !important;\n        box-shadow: 0px 4.66px 22.99px 0px rgba(0, 0, 0, 0.10);;\n    }\n\n\n        .formSec .formSecTwo{\n            padding-top: 15px !important;\n            margin-bottom: 30px !important;\n        }\n\n\n    .tnp-email {\n        width: 80% !important;\n        box-sizing: border-box;\n        padding: 8px 10px;\n        display: inline-block;\n        border: 1px solid #ced4da;\n        background: #fff;\n        color: #000 !important;\n        font-size: 13px;\n        line-height: 20px;\n        border-radius: 2px;\n        padding-right: 30px;\n        margin-bottom: 0px;\n    }\n\n    .formSec {\n        border: 1px solid #ced4da;\n        float: left !important;\n        width: 55% !important;\n    }\n\n    .mainBox {\n       \/* border: 1px solid #183e8b;*\/\n         background: white;\n        max-width: 600px !important;\n        margin: 0 auto !important;\n        padding: 20px !important;\n        font-family: Arial, Helvetica, sans-serif !important;\n    }\n\n    .boxDiv {\n        display: flex !important;\n    }\n\n    .boxConsult {\n        float: left !important;\n        width: 45% !important;\n        padding: 10px !important;\n    }\n\n    .formSecTwo {\n        text-align:center !important;\n        width: 100% !important;\n    }\n\n    .formHeading {\n        font-family: Arial, Helvetica, sans-serif;\n        margin-top: 0px;\n        font-weight: 700;\n        line-height: 25px;\n        font-size: 18px !important;\n        \n       margin-bottom: 60px !important;\n       color: #000!important;\n          margin-top: 5px !important;\n    }\n\n    .fieldHeading {\n        margin: 0 !important;\n        font-size: 13px !important;\n        text-align: left !important;\n        margin: 0px 39px 2px 93px !important;\n        font-weight: 500 !important;\n    }\n\n    .image {\n        max-width:90% !important;\n        height: auto !important;\n    }\n\n     .email-icon {\n            position: absolute;\n            right: 50px;\n             top: 20px;\n            transform: translateY(-50%);\n            pointer-events: none; \n        }\n\n          .email-container{\n             position: relative;\n         \n        }\n       \n\n        .email-icon img{\n                 width: 15px;\n        }\n\n\n         input::placeholder {\n            color:#495057;\n        }\n\n\n     ::placeholder {\n        color: #495057;\n    }\n\n        ::-ms-input-placeholder { \n          color:#495057;\n        }\n\n\n        input:-webkit-autofill {\n            background-color: transparent !important;\n            -webkit-box-shadow: 0 0 0px 1000px white inset !important; \n            box-shadow: 0 0 0px 1000px white inset !important;\n            color: #495057 !important; \n        }\n\n        \n        input {\n            color:#495057 !important;\n        }\n\n\n    @media screen and (max-width: 480px) {\n        .boxDiv {\n            display: block !important;\n            padding: 15px !important;\n         \n        }\n\n        .image{\n        width: 80% !important;\n         margin-bottom: 14px;\n        }\n        .fieldHeading {\n            text-align: left !important;\n            margin: unset !important;\n        }\n\n        .boxConsult {\n            width: unset !important;\n            float: none !important;\n        }\n\n        .mainBox {\n            border: unset !important;\n        }\n\n        .formSec {\n            float: unset !important;\n            width: 100% !important;\n        }\n\n        .formSecTwo {\n            text-align: center !important;\n        }\n\n        .tnp-email {\n            width: 90% !important;\n        }\n\n        .formHeading {\n            margin-bottom: unset !important;\n        }\n\n         .email-icon {\n            position: absolute;\n            right: 25px;\n            top: 58%;\n            transform: translateY(-50%);\n            pointer-events: none; \/* Make sure the icon doesn't block clicking on the input *\/\n        }\n       \n        .email-container{\n             position: relative;\n        }\n\n    }\n<\/style>\n\n<body>\n\n    <div class=\"mainBox\" box-sizing:=\"\" border-box;=\"\">\n\n        <div class=\"boxDiv\">\n\n            <div class=\"boxConsult\">\n                <div>\n                    <h3 class=\"formHeading\" style=\" font-size: 16px !important;\"><span class=\"ez-toc-section\" id=\"Book_a_Free_Demo_Call_with_Our_People_Security_Expert\"><\/span>\n                        Book a Free Demo Call with Our People Security Expert<span class=\"ez-toc-section-end\"><\/span><\/h3>\n                <\/div>\n                <img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/form.svg\" class=\"image\">\n            <\/div>\n\n            <div class=\"formSec\">\n                <div class=\" formSecTwo\">\n                    <h4 style=\"margin-top: 0; font-size: 16px !important;\"><span class=\"ez-toc-section\" id=\"Enter_your_details\"><\/span>Enter your details<span class=\"ez-toc-section-end\"><\/span><\/h4>\n                    <div class=\"tnp tnp-subscription-minimal\">\n                        <form action=\"https:\/\/threatcop.com\/thankyou-blog\" method=\"get\" target=\"_blank\">\n                            <div class=\"email-container\" style=\"margin-bottom:20px;\">\n\n                                <input class=\"tnp-email\" type=\"text\" required=\"\" name=\"FullName\" value=\"\"\n                                    placeholder=\"Full Name\">\n                                    <span class=\"email-icon\"><img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/icon01.svg\" class=\"img-fluid\" \/><\/span>\n                            <\/div>\n\n                            <div class=\"email-container\" style=\"margin-bottom:20px;\">\n                               \n                                <input class=\"tnp-email\" type=\"email\" required=\"\" name=\"email\" value=\"\"\n                                    placeholder=\"Corporate Email Id\">\n                                     <span class=\"email-icon\"><img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/icon02.svg\" class=\"img-fluid\" \/><\/span>\n                            <\/div>\n\n                            <div class=\"email-container\" style=\"margin-bottom:20px;\">\n                               \n                                <input class=\"tnp-email\" type=\"text\" required=\"\" name=\"CompanyName\" value=\"\"\n                                    placeholder=\"Company Name\">\n                                    <span class=\"email-icon\"><img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/icon03.svg\" class=\"img-fluid\" \/><\/span>\n\n                            <\/div>\n\n                            <div class=\"email-container\">\n                               \n                                <input class=\"tnp-email\" type=\"number\" required=\"\" name=\"Phone\" value=\"\"\n                                    placeholder=\"Phone No.\"><br>\n                                    <span class=\"email-icon\"><img decoding=\"async\" src=\"https:\/\/awareness.threatcop.ai\/threatcop_blog\/icon04.svg\" class=\"img-fluid\" \/><\/span>\n                            <\/div>\n                            <input type=\"hidden\" name=\"BlogForm\" value=\"BlogForm\"><br>\n                            <input class=\"tnp-submit interestedBtn\" name=\"submit\" type=\"submit\"\n                                value=\"SUBMIT\">\n\n                        <\/form>\n                    <\/div>\n                <\/div>\n            <\/div>\n\n        <\/div>\n    <\/div>\n\n<\/body>\n\n<\/html>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">The companies follow different DNS security strategies during the implementation of DNS, so, attackers can\u2019t get into the system. During the DNS Security implementation, the companies follow some different overlapping defenses, add some redundant servers, apply different security protocols, DNS logging, etc. They implement all this, so that, they can build good protecting DNS security.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_is_DNS_Security_Important\"><\/span><span style=\"color: #000000;\"><b>Why is DNS Security Important?<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><b><i>\u201cMore than <\/i><\/b><b><i>72%<\/i><\/b><b><i> of organizations faced <\/i><\/b><a style=\"color: #000000;\" href=\"https:\/\/www.helpnetsecurity.com\/2021\/10\/26\/organizations-dns-attacks\/\" target=\"_blank\" rel=\"noopener\"><b><i><span style=\"color: #183994;\">DNS attacks<\/span><\/i><\/b><\/a><b><i> in 2021\u201d<\/i><\/b><\/span><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The DNS system is not designed with the feature of security within it. Due to this, it <\/span><span style=\"font-weight: 400;\">has<\/span><span style=\"font-weight: 400;\"> several design limitations. These security limitations can be a way for hackers to get into your system.&nbsp;<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Most companies implement their own DNS security so that they can prevent DNS security threats. They do this by performing different DNS security tests <\/span><span style=\"font-weight: 400;\">through<\/span><span style=\"font-weight: 400;\"> which they can secure DNS. However, there are a lot of methods by which cyber criminals<\/span><span style=\"font-weight: 400;\">&nbsp;perform DNS attacks.&nbsp;<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DNS_Spoofing\"><\/span><span style=\"color: #000000;\"><b>DNS Spoofing<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">DNS <span style=\"color: #183994;\"><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/email-spoofing\/\"><strong>spoofing<\/strong><\/a><\/span> is one of the methods <\/span><span style=\"font-weight: 400;\">used<\/span><span style=\"font-weight: 400;\"> by hackers <\/span><span style=\"font-weight: 400;\">to attack DNS servers<\/span><span style=\"font-weight: 400;\">. In this attack, the hackers inject the forged DNS data into the resolver\u2019s cache. By which the DNS will start returning the wrong IP address which is thereafter used by the hackers. <\/span><span style=\"font-weight: 400;\">Those wrong IP addresses<\/span><span style=\"font-weight: 400;\"> direct users to a specific malicious website or another desired website created by the hackers.<\/span><\/span><\/p>\n\n\n<div class=\"wp-block-image wp-image-8530 size-full\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/threatcop.com\/blog\/wp-content\/uploads\/2022\/11\/DNSattacked-1-1024x576-1.png\" alt=\"DNS security\" class=\"wp-image-8530\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">(Source: 3key Company)<\/span><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">In 2018, the hackers <\/span><a style=\"color: #000000;\" href=\"https:\/\/arstechnica.com\/information-technology\/2018\/04\/suspicious-event-hijacks-amazon-traffic-for-2-hours-steals-cryptocurrency\/\" target=\"_blank\" rel=\"noopener\"><b><span style=\"color: #183994;\">compromised Amazon\u2019s route server<\/span><\/b><\/a><span style=\"font-weight: 400;\"> and <\/span><span style=\"font-weight: 400;\">the<\/span><span style=\"font-weight: 400;\"> public Google DNS server, and by <\/span><span style=\"font-weight: 400;\">doing so<\/span><span style=\"font-weight: 400;\">, they re-routed around 1300 IP addresses that were pointing to some malicious websites.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hijacking\"><\/span><span style=\"color: #000000;\"><b>Hijacking<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">Hijacking is another method of attack where attackers redirect all the queries to a different domain name that has been designed by them. This can easily be done with the help of malware or unauthorized changes to the DNS server. However, the result will be similar to DNS spoofing, as the hackers will again point the users to a different website that is organized by them.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tunneling\"><\/span><span style=\"color: #000000;\"><b>Tunneling<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">DNS tunneling is another type of attack where the attacker uses other protocols through DNS queries and responses. The hackers can use TCP, SSH, or HTTP to pass malware to the DNS server or steal information that is in the DNS queries, which is not detected by the firewalls.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Phantom_Domain_Attack\"><\/span><span style=\"color: #000000;\"><b>Phantom Domain Attack<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Just with the name phantom domain which means ghost domain. <\/span><span style=\"font-weight: 400;\">Here, the attacker <\/span><span style=\"font-weight: 400;\">sets up<\/span><span style=\"font-weight: 400;\"> a lot of <\/span><span style=\"font-weight: 400;\">phantom <\/span><span style=\"font-weight: 400;\">domain servers that will respond to the requests very slowly or not<\/span><span style=\"font-weight: 400;\"> at all<\/span><span style=\"font-weight: 400;\">. Then the resolver gets flooded <\/span><span style=\"font-weight: 400;\">with<\/span><span style=\"font-weight: 400;\"> a lot of requests after waiting for the response for a <\/span><span style=\"font-weight: 400;\">long<\/span><span style=\"font-weight: 400;\"> time. It then leads to the slow performance of the website or block the services.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Random_Subdomain_Attack\"><\/span><span style=\"color: #000000;\"><b>Random Subdomain Attack<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The random subdomain attack is another way in which the hackers send DNS queries for several random or nonexistent subdomains of any legitimate site. In this method, the hackers want to create a denial-of-service for the domain\u2019s authoritative nameserver. <\/span><span style=\"font-weight: 400;\">It is also possible that the ISP serving the attacker may be affected by this vulnerability. This is because the cache of their recursive resolver will be filled with erroneous requests as well.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Protective_Steps_for_DNS_Security\"><\/span><span style=\"color: #000000;\"><b>Protective Steps for DNS Security<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The hackers target only those organizations that are not properly securing the DNS. <\/span><span style=\"font-weight: 400;\">Several ways have been developed to secure DNS servers, such as:<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_DNS_Forwarders\"><\/span><span style=\"color: #000000;\"><b>Use DNS Forwarders<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">It is a DNS server that performs DNS queries on behalf of <\/span><span style=\"font-weight: 400;\">designated <\/span><span style=\"font-weight: 400;\">servers. The primary reason for using DNS forwarders is to offload processing duties. The other benefit of using a DNS forwarder is that it will prevent the DNS server from forwarding requests and interacting with Internet servers. It is very important when your DNS server is hosted with internal domain records.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_Caching-Only_DNS_Servers\"><\/span><span style=\"color: #000000;\"><b>Use Caching-Only DNS Servers<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Caching-only DNS servers are<\/span><span style=\"font-weight: 400;\"> not authoritative for the DNS domains. It is configured to perform recursion<\/span><span style=\"font-weight: 400;\"> or use a forwarder.<\/span><span style=\"font-weight: 400;\"> When it receives a response, it then caches the result and returns the answer to the system <\/span><span style=\"font-weight: 400;\">that issued<\/span><span style=\"font-weight: 400;\"> the DNS query to it. It can improve the security of your organization when used as a forwarder that is under your administrative control. Using our own caching-only DNS servers as forwarders will increase <\/span><span style=\"font-weight: 400;\">DNS <\/span><span style=\"font-weight: 400;\">security, as you <\/span><span style=\"font-weight: 400;\">don\u2019t<\/span><span style=\"font-weight: 400;\"> have to depend on your ISP\u2019s DNS server.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DNS_Resolvers\"><\/span><span style=\"color: #000000;\"><b>DNS Resolvers<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The DNS resolver is a DNS server used for recursion to resolve names for domains for which this server is not authoritative. The benefit of <\/span><span style=\"font-weight: 400;\">using a resolver<\/span><span style=\"font-weight: 400;\"> is that it will work on a dedicated DNS server, which works<\/span><span style=\"font-weight: 400;\"> to<\/span><span style=\"font-weight: 400;\"> resolve host names. Due to this, there will be more security <\/span><span style=\"font-weight: 400;\">for<\/span><span style=\"font-weight: 400;\"> your own DNS server, and there will be DNS security threats.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disable_Zone_Transfers\"><\/span><span style=\"color: #000000;\"><b>Disable Zone Transfers<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">The zone transfers take place between the primary and secondary DNS servers. The primary server is authoritative for specific domains that contain writable DNS zone files, which are updated whenever needed.&nbsp;<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">The secondary servers received a read-only copy of these zone files from the primary DNS servers. A secondary server is used to improve DNS query performance throughout an organization.&nbsp;<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The attackers can use this information to attack the infrastructure services. So, <\/span><span style=\"font-weight: 400;\">your organization<\/span><span style=\"font-weight: 400;\"> can <\/span><span style=\"font-weight: 400;\">set it so<\/span><span style=\"font-weight: 400;\"> that only zone transfer requests that are from the <\/span><span style=\"font-weight: 400;\">inside and<\/span><span style=\"font-weight: 400;\"> from the specific servers should be accepted <\/span><span style=\"font-weight: 400;\">otherwise, they should<\/span><span style=\"font-weight: 400;\"> not.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Keep_Your_DNS_Servers_Updated\"><\/span><span style=\"color: #000000;\"><b>Keep Your DNS Servers Updated<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">A lot of organizations and users forget to keep updating their DNS servers, which makes it easier for the attacker to get into the system. So, the organization needs to keep its DNS servers updated to prevent attacks from hackers.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Restrict_Zone_Transfers\"><\/span><span style=\"color: #000000;\"><b>Restrict Zone Transfers<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Restricting the zone transfer is important, to restrict the server&#8217;s zone transfer to protect it from cyber attacks. You can easily restrict your zone transfer file by adding some conditions to the DNS zone configuration. Once <\/span><span style=\"font-weight: 400;\">it is<\/span><span style=\"font-weight: 400;\"> added, the attackers will not be able to transfer the zone.&nbsp;<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion_DNS_Security\"><\/span><span style=\"color: #000000;\"><b>Conclusion<\/b><b>: DNS Security<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Cybercriminals always try to target your DNS server to get into <\/span><span style=\"font-weight: 400;\">a network<\/span><span style=\"font-weight: 400;\">. Having a secure DNS and security system can prevent it from happening. Therefore, every company needs to be aware of the biggest security dangers that DNS poses.&nbsp;<\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Understanding what organizations can do to ensure DNS security is also essential. Most importantly, they should look for <\/span><span style=\"color: #183994;\"><a style=\"color: #183994;\" href=\"https:\/\/threatcop.com\/blog\/cybersecurity-practices\/\"><b>cybersecurity practices<\/b><\/a><\/span><span style=\"font-weight: 400;\"> that rely on cutting-edge threat-hunting components and attempt to automate security tasks. With <a href=\"https:\/\/www.threatcop.com\/\"><strong><span style=\"color: #183994;\">Threatcop<\/span><\/strong><\/a>, your organization can secure itself from cyber threats.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs_DNS_Security\"><\/span><span style=\"color: #000000;\"><b>FAQs<\/b><b>: DNS Security<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_is_DNS_security_important\"><\/span><span style=\"color: #000000;\"><b>Why is DNS security important?<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">DNS security is important because it prevents attackers from getting unauthorized access. <\/span><span style=\"font-weight: 400;\">In other words, the internet as we know it would not exist without it.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Does_DNS_turn_domain_names_into_IP_addresses\"><\/span><span style=\"color: #000000;\"><b>Does DNS turn domain names into IP addresses?<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">The DNS is the domain name of a specific website that points to the computer by converting it to IP addresses so that it can be understood by the computer.<\/span><span style=\"font-weight: 400;\"> DNS servers convert IP addresses into friendly URLs or domain names. They convert user input into something a computer can understand in order to locate a webpage. DNS resolution refers to the translation and lookup processes.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_is_DNS_security_important-2\"><\/span><span style=\"color: #000000;\"><b>Why is DNS security important?<\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400; color: #000000;\">In simple words, if there is no DNS, then there is no internet. The Domain Name System Security Extensions (DNSSEC) also ensure the security and confidentiality of data and defend DNS against dangers like cache poisoning. DNSSEC servers digitally sign each server response.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Most people use the internet and search for different domain names to find the specific websites that they want to visit. But the computer won&#8217;t understand the domain names, as it only understands and uses the IP addresses to identify the website and browse it. The majority of people don\u2019t worry about DNS security or [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8531,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-8529","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-miscellaneous"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DNS Security: Importance &amp; Prevention | Threatcop<\/title>\n<meta name=\"description\" content=\"To make browsing easier, DNS was introduced. However, it came with threats. DNS security has become mandatory for organizations. 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