Update private-endpoint-dns.md

Added Elastic SAN under Storage section.

Author: juanandmsft

articles/private-link/private-endpoint-dns.md

@@ -204,6 +204,8 @@ For Azure services, use the recommended zone names as described in the following
 >| Azure Data Lake File System Gen2 (Microsoft.Storage/storageAccounts) | dfs </br> dfs_secondary | privatelink.dfs.core.windows.net | dfs.core.windows.net |
 >| Azure File Sync (Microsoft.StorageSync/storageSyncServices) | afs | privatelink.afs.azure.net | afs.azure.net |
 >| Azure Managed Disks (Microsoft.Compute/diskAccesses) | disks | privatelink.blob.core.windows.net | blob.core.windows.net |
+>| Azure Elastic SAN (Microsoft.ElasticSan/elasticSans) | volumegroup | privatelink.blob.core.windows.net | blob.storage.azure.net |
+
 
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