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Lead Engineer @ UptimeObserver

Lead Engineer @ UptimeObserver

1 post

Writing about website monitoring, TLS, DNS, uptime, and infrastructure reliability.

uptimeobserver.com

How to Monitor SSL Certificate Expiration

Terminology note: Although these are commonly called SSL certificates, modern public certificates are used with TLS. In this guide, we use “SSL certificate” where it matches common search terminology and “TLS certificate” when discussing the underlying technology. I remember the days when securing a website meant manually generating a Certificate Signing Request (CSR) on a server. […]

April 8, 2026 · 6:02 am

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