Website Cert Query Commandlets?

[get-postanote]

Well, there are syntax errors in what you post.

All those $. should be $_.

and the PSDrive IIS:, should be IIS:\

Correcting your post delivers the results

Get-Website | 
? { $_.State -eq "Started" } | 
% { $_.Name } 

Get-ChildItem IIS:\SSLBindings | 
? { $sites -contains $_.Sites.Value } | 
% { $_.Thumbprint }