SSL Certificate Search

This page provides a professional SSL certificate lookup tool to quickly obtain detailed information about any website's SSL certificate, including issuer, expiration date, encryption algorithm and security status. It helps users to verify website security and ensure encryption protection for data transmission.

SSL Certificate Query Tool

SSL Certificate Query Tool can help you quickly get the SSL/TLS certificate information of your website, including the certificate type, issuer (CA), validity period, domain name, encryption algorithm and so on. Through this tool, you can easily verify whether the website certificate is valid, whether it is expired, and whether the certificate configuration meets the security standards, to protect the security of website access.

Functional Features

  • Support for querying SSL certificate details for domains
  • Show Certificate Authority (CA) and validity period
  • Detect whether the certificate has expired or is about to expire
  • Support for multi-domain certificate (SAN) information presentation
  • Detecting certificate signing algorithms and key lengths
  • Provide certificate chain integrity verification

Usage

  1. Enter the domain name to be queried in the query box (e.g., likacloud.com)
  2. Click the "Query" button, the system will connect to the target server to get the certificate information.
  3. Wait a few seconds to view the SSL certificate details

caveat

  • The query requires that the target server has port 443 open and an SSL certificate configured.
  • Some servers may be configured with firewalls that cause queries to fail
  • This tool only provides certificate information query, does not store any query records
  • In case of expired or insecure certificates, please contact the webmaster to renew the certificate.