Enter the core domain of the client project. For example, if you manage the site at backoffice.client.com, just enter client.com. Your license will automatically be valid for all subdomains across your deployment pipeline (dev, uat, staging, etc.).
All subdomains, remote environments (.local, .test, .dev, .staging), Azure (.azurewebsites.net) and Umbraco Cloud (.umbraco.io) are automatically included.
.local
.test
.dev
.staging
.azurewebsites.net
.umbraco.io