{"id":3762,"date":"2025-06-03T08:20:51","date_gmt":"2025-06-03T06:20:51","guid":{"rendered":"https:\/\/enthec.com\/?p=3762"},"modified":"2025-06-03T08:20:51","modified_gmt":"2025-06-03T06:20:51","slug":"why-dns-health-is-critical-to-your-companys-cybersecurity","status":"publish","type":"post","link":"https:\/\/enthec.com\/en\/why-dns-health-is-critical-to-your-companys-cybersecurity\/","title":{"rendered":"Why DNS health is critical to your company&#8217;s cybersecurity"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Digital threats are evolving faster than ever. Companies, large or small, cannot afford to look the other way when it comes to protecting their digital infrastructure. Here is one aspect that is often overlooked, yet is   <\/span><b>key to digital security<\/b><span style=\"font-weight: 400;\">:<\/span> <b>DNS health<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But what does this mean exactly? And why is it so important to  <\/span><b>control DNS health<\/b> <span style=\"font-weight: 400;\">within the strategy of <\/span><a href=\"https:\/\/enthec.com\/en\/cybersecurity-solutions-that-you-should-apply-in-your-company\/\"><span style=\"font-weight: 400;\">business cybersecurity<\/span><\/a><span style=\"font-weight: 400;\">?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Before we dive in, let&#8217;s make a crucial point. If your company doesn&#8217;t yet have  <\/span><b>Continuous Threat Exposure Management<\/b> <span style=\"font-weight: 400;\">(CTEM) tools, you may be leaving windows open to the outside without realizing it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is where<\/span> <b>Kartos,<\/b> <span style=\"font-weight: 400;\">our solution for<\/span> <b>cyber surveillance for companies,<\/b><span style=\"font-weight: 400;\">specifically designed to detect, assess, and continuously reduce your organization&#8217;s digital exposure, appears. Kartos not only monitors your digital attack surface but also allows you to  <\/span><b>protect your DNS<\/b> <span style=\"font-weight: 400;\">and detect related vulnerabilities before attackers exploit them.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>What exactly is DNS health?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">When discussing DNS health, we refer to the<\/span> <b>security status, configuration, and maintenance of an organization&#8217;s domain name system.<\/b> <span style=\"font-weight: 400;\">DNS acts as a \u201cphone book\u201d for the internet: it converts domain names (like enthec.com) into IP addresses that machines can understand.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A secure DNS server isn&#8217;t just a technical issue; it&#8217;s an essential pillar of your digital defense. Cybercriminals can exploit a misconfigured DNS to carry out attacks such as: <\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pharming: <\/b><span style=\"font-weight: 400;\">redirect your employees or customers to fake websites.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>DNS hijacking:<\/b> <span style=\"font-weight: 400;\">hijack your web traffic for espionage or fraud.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>DDoS through DNS amplification:<\/b> <span style=\"font-weight: 400;\">take advantage of your DNS as a vector to saturate other servers.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These risks affect large corporations as well. SMEs are also frequent targets precisely because they neglect aspects like this. <\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>Why do so many companies ignore DNS health?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">There are several reasons, but one of the main ones is the <\/span>f<b>alse sense of security.<\/b><span style=\"font-weight: 400;\">. Many organizations believe they are protected by having antivirus systems or firewalls. However, these devices do not monitor or manage your domain name system configuration. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">On the other hand,<\/span> <b>DNS is usually managed by third parties <\/b><span style=\"font-weight: 400;\">(such as hosting or domain providers), which means that, despite being a critical element, companies do not include it in their security audits.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"alignnone size-full wp-image-3755\" src=\"https:\/\/enthec.com\/wp-content\/uploads\/2025\/05\/salud-dns.jpg\" alt=\"DNS health\" width=\"512\" height=\"341\" srcset=\"https:\/\/enthec.com\/wp-content\/uploads\/2025\/05\/salud-dns.jpg 512w, https:\/\/enthec.com\/wp-content\/uploads\/2025\/05\/salud-dns-300x200.jpg 300w, https:\/\/enthec.com\/wp-content\/uploads\/2025\/05\/salud-dns-350x233.jpg 350w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2><b>What does it mean to have good DNS control<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Having <\/span><b>effective DNS control<\/b><span style=\"font-weight: 400;\"> means keeping a series of good practices active and up-to-date. These include: <\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Audit your DNS<\/b> <span style=\"font-weight: 400;\">records and detect outdated or unnecessary settings.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ensure your SPF, DKIM, and DMARC records are correctly configured to prevent <\/span><b>email phishing<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use secure and redundant DNS servers.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Protect access to your DNS management with strong authentication.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Monitor unauthorized access attempts or changes.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These steps are essential to ensure a business environment<\/span> <b>free of invisible breaches<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>Kartos and continuous DNS monitoring<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">This is where<\/span> <b>Kartos<\/b><span style=\"font-weight: 400;\"> comes into play. It<\/span> <a href=\"https:\/\/enthec.com\/en\/proactive-security-what-is-it-and-why-use-it-to-prevent-and-detect-threats-and-cyberattacks\/\"><span style=\"font-weight: 400;\">proactively monitors<\/span><\/a><span style=\"font-weight: 400;\"> your DNS status and alerts you to any suspicious changes. It&#8217;s not just about protecting them but anticipating the future. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kartos allows you:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">See your <\/span><b>digital display surface<\/b><span style=\"font-weight: 400;\"> in real time.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Detect uncontrolled or misconfigured assets<\/b> <span style=\"font-weight: 400;\">(including DNS and subdomains).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Prioritize vulnerabilities<\/b> <span style=\"font-weight: 400;\">with an approach based on real risk.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Receive early warnings<\/b> <span style=\"font-weight: 400;\">on possible attack vectors involving DNS.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">You may be interested in\u2192<\/span><a href=\"https:\/\/enthec.com\/en\/real-time-vulnerability-management-a-step-forward-in-cybersecurity\/\"><span style=\"font-weight: 400;\"> Real-time vulnerability management: a step forward in cybersecurity<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Comprehensive, continuous management distinguishes a company that reacts to an attack from one that neutralizes it before it occurs.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>How do you know if your DNS server is secure?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Some tools allow for spot checks, but that&#8217;s not enough. The digital environment changes daily, and attackers find new ways to exploit weaknesses. Therefore,   <\/span><b>a CTEM solution like Kartos is essential<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kartos not only tells you if your DNS is secure now but also helps you<\/span> <b>maintain that security continuously.<\/b><span style=\"font-weight: 400;\">. This includes automated analysis, detailed reporting, and remediation suggestions tailored to your technological reality.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>Practical recommendations to improve your company&#8217;s DNS health<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">If you don&#8217;t yet have a solution like Kartos, we recommend that you at least consider the following points:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Update your DNS records frequently. Discard any unused items.<\/b><span style=\"font-weight: 400;\"> frequently. Discard any unused items. <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Activate DNSSEC<\/b><span style=\"font-weight: 400;\"> to protect the integrity of queries.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Audit your SPF, DKIM, and DMARC registers<\/b> <span style=\"font-weight: 400;\">with the help of specialists.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Avoid using public DNS servers<\/b> <span style=\"font-weight: 400;\">as the principal solution.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Control who has access to your DNS console.<\/b><span style=\"font-weight: 400;\">. Not all technicians need to have full permissions.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">The good news is that<\/span> <b>it&#8217;s never too late to improve<\/b> <span style=\"font-weight: 400;\">your organization&#8217;s DNS health.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Neglecting your digital infrastructure&#8217;s DNS health can have serious financial and reputation consequences. DNS control and a secure DNS server should be at the heart of any modern cybersecurity policy. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">With our solution,<\/span> <a href=\"https:\/\/enthec.com\/en\/kartos\/\"><span style=\"font-weight: 400;\">Kartos<\/span><\/a>, <span style=\"font-weight: 400;\">you are protecting your DNS and <\/span><b>taking a step towards a smarter, more preventative, and continuous security model.<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Digital threats are evolving faster than ever. Companies, large or small, cannot afford to look the other way when it [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":3758,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[24,32,38],"class_list":["post-3762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity-en","tag-cybersecurity","tag-kartos-en","tag-organizations"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 DNS Health: Protect Your Business with These Tips | Enthec<\/title>\n<meta name=\"description\" content=\"Improve your company&#039;s DNS health and protect your network from cyberattacks \u261d Learn how to keep your digital infrastructure secure and reliable\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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