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Let’s Encrypt 64-Day Certificates: What to Check on Your Server Before February 2027

Flat vector illustration of letsencrypt 64 day certificates renewal cycle on a server

On February 10, 2027, letsencrypt 64 day certificates become the default for every certificate Let’s Encrypt issues or renews. It is the first time in the CA’s history that the default lifetime has changed — the 90-day standard has stood since Let’s Encrypt launched a decade ago. If your server still renews on a 90-day … Read more