Comprehensive Certificate Analysis
Use our tool to analyze critical SSL and TLS certificate details for any domain instantly. The system provides essential information including the issuer, Subject Alternative Names (SANs), and specific expiration dates. By checking these details, website administrators can proactively manage their security certificates, prevent unexpected downtime caused by expired credentials, and ensure that the encryption chain is correctly configured to provide a secure browsing experience for all visitors.
Secure Processing Method
The certificate check connects to the target host from our server – a browser cannot read TLS certificate details of foreign servers directly. The hostname you enter is transmitted for this, but not stored. This specific workflow ensures that technical limitations are bypassed while maintaining your privacy, as the input data is only used for the immediate retrieval of certificate information and is never saved in any internal database or log.
Frequently asked questions
Why should I check my SSL certificate?
Checking your SSL certificate helps ensure that your website remains secure and accessible to all visitors. By monitoring expiration dates and issuer details, you can prevent security warnings in web browsers and confirm that the encryption chain is correctly configured for your domain's specific needs.
What are SANs?
Subject Alternative Names (SANs) allow a single SSL certificate to secure multiple hostnames or IP addresses simultaneously. This tool identifies these names, helping you confirm that your certificate covers all necessary subdomains and variations required for your web infrastructure's security requirements.
Is my data stored when I check a domain?
The certificate check connects to the target host from our server – a browser cannot read TLS certificate details of foreign servers directly. The hostname you enter is transmitted for this, but not stored. Your input is used only for the immediate purpose of retrieving certificate information.