Guides
Understand, renew and troubleshoot your SSL certificates, step by step.
4 guides match “check now”. Category: Tutorials.
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Tutorials Reading time: 3 min
Adding a domain to monitor
Add a domain in seconds, understand the information displayed and what happens next.
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Tutorials Reading time: 2 min
Checking an SSL certificate's expiration date
Four ways to find a certificate's expiration date: browser, online tool, OpenSSL and the file on the server.
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Tutorials Reading time: 4 min
How to renew your SSL certificate
How to renew a certificate without downtime, whether you use Let's Encrypt, a paid certificate or a host that handles it for you.
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Tutorials Reading time: 3 min
Creating a free SSL certificate with Let's Encrypt and Certbot
Install Certbot, get a certificate for Nginx or Apache, handle wildcards and make sure automatic renewal really works.
A certificate to check right now?
The free checker shows its expiry date, issuer and covered domains.