--- title: "Dyn" date: 2019-03-03T16:39:46+01:00 draft: false slug: dyn dnsprovider: since: "v0.3.0" code: "dyn" url: "https://dyn.com/" --- Configuration for [Dyn](https://dyn.com/). - Code: `dyn` - Since: v0.3.0 Here is an example bash command using the Dyn provider: ```bash DYN_CUSTOMER_NAME=xxxxxx \ DYN_USER_NAME=yyyyy \ DYN_PASSWORD=zzzz \ lego --email you@example.com --dns dyn --domains my.example.org run ``` ## Credentials | Environment Variable Name | Description | |-----------------------|-------------| | `DYN_CUSTOMER_NAME` | Customer name | | `DYN_PASSWORD` | Password | | `DYN_USER_NAME` | User name | The environment variable names can be suffixed by `_FILE` to reference a file instead of a value. More information [here]({{< ref "dns#configuration-and-credentials" >}}). ## Additional Configuration | Environment Variable Name | Description | |--------------------------------|-------------| | `DYN_HTTP_TIMEOUT` | API request timeout | | `DYN_POLLING_INTERVAL` | Time between DNS propagation check | | `DYN_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation | | `DYN_TTL` | The TTL of the TXT record used for the DNS challenge | The environment variable names can be suffixed by `_FILE` to reference a file instead of a value. More information [here]({{< ref "dns#configuration-and-credentials" >}}). ## More information - [API documentation](https://help.dyn.com/rest/)