Try this
OU you can add for user and computer. OU for group only from exchange scan
Select Top 1000000 tblADObjects.domain,
  tblADObjects.sAMAccountName,
  Case
    When tblADusers.ADObjectID Is Not Null Then 'User'
    When tblADGroups.ADObjectId Is Not Null Then 'Group'
    When tblADComputers.ADObjectID Is Not Null Then 'Computer'
    Else 'Trash'
  End type,
  (Select tblADObjects.domain From tblADObjects
    Where tblADObjects.ADObjectID = tblADGroups1.ADObjectID) As Group_Domain,
  tblADGroups1.Name,
  tblADGroups1.Description,
  Case tblADGroups1.GroupType
    When -2147483646 Then 'Security - Global'
    When -2147483644 Then 'Security - Local'
    When -2147483643 Then 'Built-in'
    When -2147483640 Then 'Security - Universal'
    When 2 Then 'Distribution - Global'
    When 4 Then 'Distribution - Local'
    When 8 Then 'Distribution - Universal'
  End As ADGroupType
From tblADObjects
  Inner Join tblADMembership On tblADObjects.ADObjectID =
      tblADMembership.ChildAdObjectID
  Inner Join tblADGroups tblADGroups1 On tblADMembership.ParentAdObjectID =
      tblADGroups1.ADObjectID
  Left Join tblADusers On tblADObjects.ADObjectID = tblADusers.ADObjectID
  Left Join tblADGroups On tblADObjects.ADObjectID = tblADGroups.ADObjectId
  Left Join tblADComputers On tblADObjects.ADObjectID =
      tblADComputers.ADObjectID