Verify that your SSL certificate is installed correctly on your server. Use our fast SSL Checker to help you quickly diagnose problems with your SSL certificate installation. You can verify the SSL certificate on your web server to make sure it is correctly installed, valid, trusted and doesn't give any errors to any of your users. To use the SSL Checker, simply enter your server's public hostname (internal hostnames aren't supported) in the box below and click the Check SSL button. The SSL Checker tool verifies that the SSL Certificate on your web server is installed correctly and trusted by the major web browsers. After finishing the check, this tool displays the Common Name, server type, issuer (CA), validity period, certificate chaining and a few other vital details.