Knowledge Base

Search our extensive certificates knowledge base to answer questions or help solve technical issues.

SSL Selection Tool

Not all SSL/TLS certificates are the same. Use our interactive certificate selector tool to find the certificate that best suits your needs.

CAA Lookup Tool

Certificate Authority Authorization Lookup Tool enables organizations to easily check their DNS for CAA records.

SSL Server Test

Perform a free deep analysis of the configuration of any SSL web server on the public Internet.

Certificate Transparency Search

See who has issued SSL/TLS certificates to your domain name.

SSL Compliance Timeline

Best Practices to Comply with SSL/TLS Industry Standards and Mitigate Risks.

Revoke a Certificate

Revoke your certificate if it's been lost, compromised, misused, or is no longer valid.

Certification Revocation Search Tool

See a list of every Entrust SSL Certificate and Code Signing Certificate that has been revoked.

Root Certificate Downloads

Learn more about Root Certificate Downloads.

EV Misuse Form

Report a misused Entrust Certificate or Site Seal that you believe is being used inappropriately.

Supported Browsers and Servers

Learn more about Digital Certificates supported browsers

Certificate Order Tracking

Track the status of your certificate order using the Order Number.

Open SSL CSR Command Builder

For your Apache-based Web server, use this form to build your OpenSSL command to generate your Certificate Signing Request for the SSL Certificate.

Keytool CSR Builder

For your Java-based Web Server, use this form to obtain the Java Keytool command to generate your Certificate Signing Request for the SSL certificate.