A custom domain can only be used for a single project. For example, by adding mybrand.com to your workspace and publishing a project using it, all traffic going to the custom domain would view the project. It is not possible to publish multiple projects to the same custom domain.
Base domains (mybrand.com) and subdomains (identity.mybrand.com) are considered separate domains. Many people prefer to publish guidelines to subdomains so the base domain can continue to host the brand’s website.
After adding DNS records, make sure not do remove them, even after validation. If either DNS record is removed your published project will eventually not be viewable.
Domains are added to workspaces, so any project within the workspace may use it.

A Plus, Pro, ****or Enterprise Standards plan. Trials cannot add custom domains.
A registered domain with a third-party provider, such as Godaddy or Namecheap.
Access to the DNS records for the domain, often found in the domain account.
The domain provider must allow edits to DNS records.

Connecting a custom domain

Reference the following guides to assist in adding records to your domain provider:

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From the workspace dashboard, select the Domains page.
In the Add domain field, enter the base domain (example: mybrand.com) ****or subdomain (example: identity.mybrand.com) name you would like to connect.
Select Add
In the following prompt, you will reference and copy the two DNS records, and add ****them into your ****domain provider (such as Godaddy or Namecheap).
Go to your domain provider (such as Godaddy or Namecheap) and follow the steps outlined in the guides above. If you have another provider, you can most likely follow these same steps.

Connecting a domain can take up to 72 hours. When the new domain connects, the status changes to Available. Once available, the domain is ready to use.
If the connection process takes over 72 hours, there may be an issue with how the records were entered into the domain provider.
If projects published to custom domains are no longer accessible, it is possible a record may have been deleted from your domain provider. Double check both the CNAME and A records are still set.

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