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Search for Azure Tenant using its domain name or its ID

For domain search: This information is retrieved online from the openID configuration

For ID search : This database has been built using as input a list of publicaly known domains (using certificate transparency records).
Each domain is then searched for its OpenID configuration and if any tenant id is found, it is collected.

Known tenants: 7018511

Example: pingcastle.com or b0138eda-0e4f-4290-a40a-8a9220ca0cea