--- layout: page title: "Duck DNS" description: "Automatically update your Duck DNS IP address." date: 2017-04-30 13:28 sidebar: true comments: false sharing: true footer: true featured: true --- [Duck DNS](https://duckdns.org/) is a free service which will point a DNS (sub domains of duckdns.org) to an IP of your choice. ```json { "lets_encrypt": { "accept_terms": false },  "token": "sdfj-2131023-dslfjsd-12321", "domains": ["my-first-account.duckdns.org", "my-second-account.duckdns.org"] } ``` Configuration variables: - **token** (*Required*): Your Duck DNS API key. - **domains** (*Required*): A list of domains to update DNS. - **seconds** (*Optional*): Seconds between updates to Duck DNS. - **lets_encrypt.accept_terms** (*Optional*): If that will be enabled, it generate & update let's enrypt certificate