How to find all Certificate Authorities (CA) in your domain?

Hi,

I want to perform a check on the certificate authorities in my domain using ASP.NET and C#. I want to list all certificate authorities and validatie that they are alive. Does anyone know how to list all CA's? Below is a PowerShell equivalent using CertUtil. $Result contains all the lines resulting from the dump from CertUtil.

$Result = (Invoke-Expression "$Env:SystemRoot\System32\certutil.exe")
...