CmdID / PowerShell / Cmdlets / Get
Get-AuthServer
Use the Get-AuthServer cmdlet to view the settings of authorization servers in the Exchange organization. Exchange PowerShell reference
From the Exchange PowerShell reference 2 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the authorization server object that you want to view.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.