I don't think there's a way to tell via tabcmd. However, with a query you should be able to tap into public.groups joined with public.domain and any domain that is local is not considered AD. There may also be a way to do it via the REST API, but I haven't explored this too much in depth yet.
I will pull those into a workbook and see if I can find something useful. I also have a case file opened with the same question and will keep this posted updated if I hear anything.
The DB query works very well. Domain groups are clearly identified with Name = domain or Family = ActiveDirectory.
This will aid in another PowerShelll script I am writing to auto sync the domain groups. I can use this as my input for the array.