Infrastructure notes from the front line
Practical experience and industry developments across CDN, VPS, data center buildout, cloud architecture, and certificate management — written for teams making real technology decisions.
As of March 15, 2026, the maximum lifetime for a publicly trusted TLS certificate dropped from 398 days to 200, with two further reductions scheduled for 2027 and 2029. Here's the timeline, the reasoning behind it, and why manual renewal won't survive the next phase.