Export all groups from AD including members and select group and user DN

Hi all,

I'm trying to export all groups in AD, specifically the group DN and the user DN but I'm struggling to select the group DN:

get-adgroup -filter * | get-adgroupmember | select distinguishedname | export-csv c:\temp.csv -notypeinformation

I'm not sure where / how to put the select command in for the group DN...

Any help / pointers appreciated.

Thanks