for exact results the best solution is to query your ad directly, but then you can't export them. a year ago i found the following tool which querys the ad and is having a exportfunction:
AD Info Free Edition
http://www.cjwdev.co.uk/
hope this helps till there's a way to do it with LanSweeper 🙂
Edit: please message me if posting links to other tools is not permitted, just want to help 🙂