I've been looking for a method to handle checking my domain for certificates that are in use, but my provider doesn't provide a tool to see how many are currently in use. I've stumbled upon the following but I'm unfamiliar with it and unsure of its legitimacy.
http://prefetch.net/articles/checkcertificate.html
If bad, can you make any other suggestions on what I should do/use? I'm proficient in Powershell scripting.