CmdID / PowerShell / Cmdlets / Get
Get-DfsrMembership
Gets membership settings for members of replication groups. Windows Server PowerShell reference
From the Windows Server PowerShell reference 3 parameters Its page in the reference
Parameters
-ComputerName, -MemberList, -MemListSpecifies an array of names of replication member computers.-DomainNameSpecifies the NetBIOS name or fully qualified domain name (FQDN) for the Active Directory Domain Service (AD DS) domain that contains the replication group.-GroupName, -RG, -RgNameSpecifies an array of names of replication groups.