--- title: "Rackspace" date: 2019-03-03T16:39:46+01:00 draft: false slug: rackspace --- Configuration for [Rackspace](https://www.rackspace.com/). - Code: `rackspace` {{% notice note %}} _Please contribute by adding a CLI example._ {{% /notice %}} ## Credentials | Environment Variable Name | Description | |-----------------------|-------------| | `RACKSPACE_API_KEY` | API key | | `RACKSPACE_USER` | API user | 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 | |--------------------------------|-------------| | `RACKSPACE_HTTP_TIMEOUT` | API request timeout | | `RACKSPACE_POLLING_INTERVAL` | Time between DNS propagation check | | `RACKSPACE_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation | | `RACKSPACE_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://developer.rackspace.com/docs/cloud-dns/v1/)