We can put subdomains into hosted zones (for example, foo.federation.example.com can be hosted in example.com) By allowing sharing a common hosted zone, this means the user doesn't have to do as much setup.
We can put subdomains into hosted zones (for example, foo.federation.example.com can be hosted in example.com) By allowing sharing a common hosted zone, this means the user doesn't have to do as much setup.