SSLCertScanner is the FREE network based SSL certificate scanner software. It can remotely scan SSL certificate on any host which may present  on the intranet or internet. It can also scan single host or multiple hosts at a time. Once the SSL certificate is discovered, SSLCertScanner automatically validates it by checking for expiry date.

Here is the snapshot of SSLCertScanner scanning SSL certificates for web servers belonging to Google network.

SSLCertScanner supports HTTPS as well as LDAPS based SSL services for certificate scanning.  During the scanning it displays detailed status message of current operation for each host.

Also its standalone portable tool which makes it easy to use and run from anywhere as it does not require any installation.  For more information and to download this tool, visit the main page of SSLCertScanner.