You have an Azure subscription that contains a storage account and an Azure web app named App1. App1 connects to an Azure Cosmos DB database named Cosmos1 that ...

You have an Azure subscription that contains a storage account and an Azure web app named App1.
App1 connects to an Azure Cosmos DB database named Cosmos1 that uses a private endpoint named Endpoint1. Endpoint1 has the default settings.
You need to validate the name resolution to Cosmos1.
Which DNS zone should you use?

A. endpoint1.privatelink.documents.azure.com B. endpoint1.privatelink.blob.core.windows.net C. endpoint1.privatelink.azurewebsites.net D. endpoint1.privatelink.database.azure.com