Does CubeBackup support multiple Google Workspace Domains?

Yes, this is a basic feature of CubeBackup.

Multiple Google Workspace domains support

CubeBackup supports management for multiple primary domains, which is especially useful for Google Workspace Partners, who are often responsible for managing multiple Google Workspace domains for their clients.

Even more, CubeBackup automatically supports secondary domains and alias domains as well.

After setting up the first domain, you can easily add more domains by following this instruction: Add another Google Workspace domain

Separate configurations for multiple domains

CubeBackup also allows administrators to configure completely separate backup settings for multiple Google Workspace domains.