CmdID / PowerShell / Cmdlets / Get
Get-IPv6StatusForAcceptedDomain
Use the Get-IPv6StatusForAcceptedDomain cmdlet to view the status of support for mail delivery to accepted domains in Exchange Online using IPv6. Exchange PowerShell reference
From the Exchange PowerShell reference 3 parameters Its page in the reference
Parameters
-DomainThe Domain parameter specifies the accepted domain that you want to view IPv6 status for.-Confirm, -cfThis parameter is reserved for internal Microsoft use.-WhatIf, -wiThis parameter is reserved for internal Microsoft use.