{"id":8078,"date":"2026-05-10T14:59:22","date_gmt":"2026-05-10T12:59:22","guid":{"rendered":"https:\/\/mybox.com\/help\/?post_type=manual_kb&#038;p=8078"},"modified":"2026-05-10T14:59:24","modified_gmt":"2026-05-10T12:59:24","slug":"dns-dinamic-ddns-ce-este-si-cum-functioneaza","status":"publish","type":"manual_kb","link":"https:\/\/mybox.com\/help\/ro\/knowledgebase\/dynamic-dns-ddns-what-it-is-and-how-it-works\/","title":{"rendered":"DNS dinamic (DDNS) - Ce este \u0219i cum func\u021bioneaz\u0103"},"content":{"rendered":"<div class=\"translation-block translation-block-merged\">\n<p class=\"wp-block-paragraph\"><strong>Dynamic DNS (DDNS)<\/strong> is a service that automatically updates your domain name&#8217;s IP address in real-time. It is the mechanical necessity that allows you to access local devices\u2014like a home server, a <strong>NAS<\/strong>, or a security camera\u2014using a consistent web address (e.g., <code>home.yourdomain.com<\/code>), even if your internet service provider (ISP) changes your home IP address frequently.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom 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\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/dynamic-dns-ddns-what-it-is-and-how-it-works\/#The_Problem_Changing_IP_Addresses\" >The Problem: Changing IP Addresses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/dynamic-dns-ddns-what-it-is-and-how-it-works\/#The_Solution_How_DDNS_Works\" >The Solution: How DDNS Works<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/dynamic-dns-ddns-what-it-is-and-how-it-works\/#Key_Benefits_of_DDNS\" >Key Benefits of DDNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/dynamic-dns-ddns-what-it-is-and-how-it-works\/#Comparison_Static_IP_vs_Dynamic_DNS\" >Comparison: Static IP vs. Dynamic DNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/dynamic-dns-ddns-what-it-is-and-how-it-works\/#How_to_Set_Up_DDNS_for_Your_Infrastructure\" >How to Set Up DDNS for Your Infrastructure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/dynamic-dns-ddns-what-it-is-and-how-it-works\/#Summary\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Problem_Changing_IP_Addresses\"><\/span>The Problem: Changing IP Addresses<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Most home and small business internet connections are assigned a <strong>Dynamic IP<\/strong>. This means every time your router restarts or your ISP refreshes the connection, your numerical address (like <code>1.2.3.4<\/code>) changes.<\/p>\n\n\n\n<\/div>\n\n<div id=\"mybox-1510866458\" class=\"mybox-content mybox-entity-placement\"><div class=\"early-access-banner-inpost\">\r\n  <div class=\"banner-left-inpost\">\r\n    <div class=\"icon-box-inpost\">\r\n      <img decoding=\"async\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2026\/02\/square-info-icon.svg\" alt=\"Info\">\r\n    <\/div>\r\n    <div class=\"text-box-inpost\">\r\n      <span class=\"label-inpost\"><span class=\"translation-block translation-block-banner-text\">Acces timpuriu<\/span><\/span>\r\n      <h4><span class=\"translation-block translation-block-banner-text\">Mai ave\u021bi nevoie de ajutor?<\/span><\/h4>\r\n      <p><span class=\"translation-block translation-block-banner-text\">Contacta\u021bi echipa noastr\u0103 de servicii pentru clien\u021bi.<\/span><\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"banner-right-inpost\">\r\n    <a href=\"https:\/\/panel.mybox.com\/helpdesk2\/v\/list\/\" class=\"banner-button-inpost\"><span class=\"translation-block translation-block-banner-text\">Trimite mesaj<\/span><\/a>\r\n  <\/div>\r\n<\/div><\/div>\n\n<div class=\"translation-block translation-block-merged\"><p class=\"wp-block-paragraph\">If you are trying to connect to your local <strong>mybox-synced<\/strong> storage from a remote location, a changing IP makes it impossible to &#8220;find&#8221; your network.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Solution_How_DDNS_Works\"><\/span>The Solution: How DDNS Works<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DDNS acts like a permanent &#8220;phonebook&#8221; that updates itself every time a number changes.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>The Client:<\/strong> A small piece of software (built into your router, <strong>NAS<\/strong>, or computer) monitors your network&#8217;s external IP address.<\/li>\n\n\n\n<li><strong>The Update:<\/strong> As soon as the software detects an IP change, it sends a notification to the DDNS provider.<\/li>\n\n\n\n<li><strong>The Update:<\/strong> The DDNS provider updates the DNS records for your domain to point to the new IP address.<\/li>\n\n\n\n<li><strong>Seamless Access:<\/strong> You type in your domain name, and the DDNS service ensures you are always directed to the current, correct IP of your network.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Benefits_of_DDNS\"><\/span>Key Benefits of DDNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Remote Access:<\/strong> Easily reach your <strong>mybox-hosted<\/strong> backups or local development environment from anywhere in the world.<\/li>\n\n\n\n<li><strong>Cost Efficiency:<\/strong> Avoid paying your ISP for a &#8220;Static IP,&#8221; which is often an expensive monthly add-on for business accounts.<\/li>\n\n\n\n<li><strong>Convenience:<\/strong> You only need to remember a simple URL (like <code>office.mybox.com<\/code>) rather than a string of numbers that could change at any moment.<\/li>\n\n\n\n<li><strong>IoT Integration:<\/strong> Essential for accessing smart home devices, private VPNs, or hosting small game servers locally.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comparison_Static_IP_vs_Dynamic_DNS\"><\/span>Comparison: Static IP vs. Dynamic DNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Static IP<\/th><th>Dynamic DNS<\/th><\/tr><\/thead><tbody><tr><td><strong>Stability<\/strong><\/td><td>IP never changes.<\/td><td>IP changes, but the domain updates.<\/td><\/tr><tr><td><strong>Cost<\/strong><\/td><td>Usually an extra monthly fee.<\/td><td>Often free or very low cost.<\/td><\/tr><tr><td><strong>Ease of Setup<\/strong><\/td><td>Configured by the ISP.<\/td><td>Requires a one-time software setup.<\/td><\/tr><tr><td><strong>Availability<\/strong><\/td><td>Not available on all home plans.<\/td><td>Available to anyone with internet access.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Set_Up_DDNS_for_Your_Infrastructure\"><\/span>How to Set Up DDNS for Your Infrastructure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Choose a Provider:<\/strong> Many <strong>NAS<\/strong> devices (like Synology or QNAP) offer their own free DDNS services. There are also third-party providers like No-IP or DynDNS.<\/li>\n\n\n\n<li><strong>Configure Your Device:<\/strong> Enter your DDNS credentials into your router or <strong>NAS<\/strong> settings.<\/li>\n\n\n\n<li><strong>Create a CNAME Record:<\/strong> If you want to use your own professional domain (e.g., <code>vpn.yourdomain.pl<\/code>), you can create a <strong>CNAME<\/strong> record in your <strong>mybox panel<\/strong> that points to your DDNS address.<\/li>\n\n\n\n<li><strong>Security Check:<\/strong> Since DDNS makes your home network visible to the internet, always ensure your local firewall is active and your <strong>mybox-related<\/strong> local services are protected by strong passwords or a VPN.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span>Summary<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dynamic DNS bridges the gap between a fluctuating home internet connection and the need for a stable, professional web presence. By linking your <strong>mybox-hosted<\/strong> domain to your local hardware via DDNS, you create a flexible and reliable private cloud that stays connected no matter how often your ISP changes the rules.<\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","format":"standard","manualknowledgebasecat":[28],"manual_kb_tag":[8531,8532,8533,8534,8535,204,531,1760,4772,8527,8528,8529,8530],"class_list":["post-8078","manual_kb","type-manual_kb","status-publish","format-standard","hentry","manualknowledgebasecat-others","manual_kb_tag-home-network","manual_kb_tag-router-configuration","manual_kb_tag-ddns-providers","manual_kb_tag-ddns-client","manual_kb_tag-ddns-service","manual_kb_tag-dns-records","manual_kb_tag-domain-name","manual_kb_tag-remote-access","manual_kb_tag-static-ip-address","manual_kb_tag-dynamic-dns","manual_kb_tag-dynamic-ip-address","manual_kb_tag-dynamic-ip","manual_kb_tag-home-server"],"_links":{"self":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/8078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb"}],"about":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/types\/manual_kb"}],"author":[{"embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":1,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/8078\/revisions"}],"predecessor-version":[{"id":8079,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/8078\/revisions\/8079"}],"wp:attachment":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/media?parent=8078"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manualknowledgebasecat?post=8078"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb_tag?post=8078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}