The difficulty of making sure your website is broken
https://letsencrypt.org/2026/04/10/test-sites.html
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The difficulty of making sure your website is broken
Have you ever needed to make sure your website has a broken certificate? While many tools exist to help run an HTTPS server with valid certificates, there aren’t tools to make sure your certificate is revoked or expired. This is not a problem most people have. Tools to help manage certificates are always focused on avoiding those problems, not creating them. Let’s Encrypt is a Certificate Authority, and so we have unusual problems we need to solve.


