https://support.apple.com/en-kz/guide/apple-school-manager/axm48c3280c0/web
Add and verify a domain in Apple School Manager - Apple Support (KZ)
In Apple School Manager, you need to link to and verify your domain before you can use it to connect to an identity provider (IdP).
verify a domainapple school manageraddsupportkz
https://support.atlassian.com/user-management/docs/verify-a-domain-to-manage-accounts/
Verify a domain to manage accounts | Atlassian Support
Verify ownership of your company's domain to claim accounts that belong to your organization.
verify a domainmanage accountsatlassian support