--- title: "Ultradns" date: 2019-03-03T16:39:46+01:00 draft: false slug: ultradns dnsprovider: since: "v4.10.0" code: "ultradns" url: "https://neustarsecurityservices.com/dns-services" --- Configuration for [Ultradns](https://neustarsecurityservices.com/dns-services). - Code: `ultradns` - Since: v4.10.0 Here is an example bash command using the Ultradns provider: ```bash ULTRADNS_USERNAME=username \ ULTRADNS_PASSWORD=password \ lego --email you@example.com --dns ultradns --domains my.example.org run ``` ## Credentials | Environment Variable Name | Description | |-----------------------|-------------| | `ULTRADNS_PASSWORD` | API Password | | `ULTRADNS_USERNAME` | API Username | 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 | |--------------------------------|-------------| | `ULTRADNS_ENDPOINT` | API endpoint URL, defaults to https://api.ultradns.com/ | | `ULTRADNS_POLLING_INTERVAL` | Time between DNS propagation check | | `ULTRADNS_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation | | `ULTRADNS_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://ultra-portalstatic.ultradns.com/static/docs/REST-API_User_Guide.pdf) - [Go client](https://github.com/ultradns/ultradns-go-sdk)