--- title: "NS1" date: 2019-03-03T16:39:46+01:00 draft: false slug: ns1 dnsprovider: since: "v0.4.0" code: "ns1" url: "https://ns1.com" --- Configuration for [NS1](https://ns1.com). - Code: `ns1` - Since: v0.4.0 Here is an example bash command using the NS1 provider: ```bash NS1_API_KEY=xxxx \ lego --email you@example.com --dns ns1 --domains my.example.org run ``` ## Credentials | Environment Variable Name | Description | |-----------------------|-------------| | `NS1_API_KEY` | API key | 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 | |--------------------------------|-------------| | `NS1_HTTP_TIMEOUT` | API request timeout | | `NS1_POLLING_INTERVAL` | Time between DNS propagation check | | `NS1_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation | | `NS1_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://ns1.com/api) - [Go client](https://github.com/ns1/ns1-go)