--- title: "Dynu" date: 2019-03-03T16:39:46+01:00 draft: false slug: dynu --- Since: v3.5.0 Configuration for [Dynu](https://www.dynu.com/). - Code: `dynu` Here is an example bash command using the Dynu provider: ```bash DYNU_API_KEY=1234567890abcdefghijklmnopqrstuvwxyz \ lego --email myemail@example.com --dns dynu --domains my.example.org run ``` ## Credentials | Environment Variable Name | Description | |-----------------------|-------------| | `DYNU_API_KEY` | API key | The environment variable names can be suffixed by `_FILE` to reference a file instead of a value. More information [here](/lego/dns/#configuration-and-credentials). ## Additional Configuration | Environment Variable Name | Description | |--------------------------------|-------------| | `DYNU_HTTP_TIMEOUT` | API request timeout | | `DYNU_POLLING_INTERVAL` | Time between DNS propagation check | | `DYNU_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation | | `DYNU_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](/lego/dns/#configuration-and-credentials). ## More information - [API documentation](https://www.dynu.com/en-US/Support/API)