{"id":24872,"date":"2026-07-03T12:05:42","date_gmt":"2026-07-03T10:05:42","guid":{"rendered":"https:\/\/kunskap.websupport.se\/?post_type=ht_kb&#038;p=24872"},"modified":"2026-07-03T12:05:43","modified_gmt":"2026-07-03T10:05:43","slug":"dyndns","status":"publish","type":"ht_kb","link":"https:\/\/kunskap.websupport.se\/en\/kb\/dyndns\/","title":{"rendered":"DynDNS"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Dynamic DNS lets you automatically keep a DNS record updated with your current IP address if you have a dynamic IP (an IP address that changes regularly). This way you can always reach a device with a changing IP address using its hostname.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Enable DynDNS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Start by logging in to <a href=\"https:\/\/login.websupport.se\">https:\/\/login.websupport.se<\/a>. Then click your username in the upper right. Select <strong>Security and login<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"579\" height=\"613\" src=\"https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_gQfNasl3JE.png\" alt=\"\" class=\"wp-image-21342\" srcset=\"https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_gQfNasl3JE.png 579w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_gQfNasl3JE-47x50.png 47w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_gQfNasl3JE-57x60.png 57w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_gQfNasl3JE-94x100.png 94w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Then go to the <strong>API authentication<\/strong> section and click <strong>Generate new access<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"563\" src=\"https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_J50bsoCXG1-783x563.png\" alt=\"\" class=\"wp-image-21344\" srcset=\"https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_J50bsoCXG1-783x563.png 783w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_J50bsoCXG1-50x36.png 50w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_J50bsoCXG1-60x43.png 60w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_J50bsoCXG1-100x72.png 100w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_J50bsoCXG1.png 870w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Select <strong>DynDNS<\/strong> and then click <strong>Generate new access<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"443\" src=\"https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/image-1-783x443.png\" alt=\"\" class=\"wp-image-21346\" srcset=\"https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/image-1-783x443.png 783w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/image-1-50x28.png 50w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/image-1-60x34.png 60w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/image-1-100x57.png 100w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/image-1.png 855w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Then you&#8217;ll see the access is active. Next to it you can copy the <strong>ID number<\/strong> and <strong>Security code<\/strong>. These work as username and password for access.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"783\" height=\"250\" src=\"https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_lLWLrs7PDI-783x250.png\" alt=\"\" class=\"wp-image-21348\" srcset=\"https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_lLWLrs7PDI-783x250.png 783w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_lLWLrs7PDI-50x16.png 50w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_lLWLrs7PDI-60x19.png 60w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_lLWLrs7PDI-100x32.png 100w, https:\/\/kunskap.websupport.se\/app\/uploads\/sites\/4\/2023\/06\/chrome_lLWLrs7PDI.png 831w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Connect<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Then just use any program that supports DynDNS2 to connect, for example <em>DDclient<\/em>, which is one of the most popular for Linux. You can install it via your Linux distribution&#8217;s package manager. For example <code>sudo apt install ddclient<\/code> for Ubuntu-based systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Add the code below to the config file, usually found at <code>\/etc\/ddclient.conf<\/code><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Configuration file for ddclient\n\n# Web is used to determine current IP\nuse=web\n\n# Server settings for WebSupport\nprotocol=dyndns2\nserver=dyndns.websupport.se\n\n# Your DynDNS login information\nlogin=IDNUMBER\npassword=SECURITYCODE\n\n# The domain or domains to be updated, for example\nexempel.se<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">You can also update via a CURL command. Use the string below.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>curl -u IDNUMBER:SECURITYCODE \"https:\/\/dyndns.websupport.se\/nic\/update?hostname=DOMAIN.SE&amp;myip=IPADDRESS\"<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dynamic DNS lets you automatically keep a DNS record updated with your current IP address if you have a dynamic IP (an IP address that changes regularly). This way you can always reach a device with a changing IP address using its hostname. Enable DynDNS Start by logging in to&#8230;<\/p>\n","protected":false},"author":44,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[390],"ht-kb-tag":[],"class_list":["post-24872","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-domain-dns"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DynDNS - Websupport kunskapsdatabas<\/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:\/\/kunskap.websupport.se\/en\/kb\/dyndns\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DynDNS - Websupport kunskapsdatabas\" \/>\n<meta property=\"og:description\" content=\"Dynamic DNS lets you automatically keep a DNS record updated with your current IP address if you have a dynamic IP (an IP address that changes regularly). 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