Can ControlPoint remove orphaned domain distribution lists?
No. A distribution list is neither a user nor a security group, and cannot be granted permissions within SharePoint. Therefore, it will not be deleted using ControlPoint's Orphaned Domain User report/analysis.
Also, ControlPoint does not report a user as being orphaned if it is considered valid by SharePoint. For example, a user who is not in the All People list can still be validated by the SharePoint people picker.
Active Directory entries that are considered valid by SharePoint, and therefore are not reported as orphaned by ControlPoint, include:
ControlPoint evaluates users as potential orphans if they are disabled in and/or deleted from Active Directory, but are found in:?