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This was the predictable outcome of shortening certificate length validity to appoint where they are now.
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No, because that's not what happened here.

The certificate they failed to renew was issued 2025-Mar-20th, and expired 2026-Mar-20th. That is a 365 day cert.

The maximum length for a new cert is now 200 days, with the 47 day window coming in three years: https://www.digicert.com/blog/tls-certificate-lifetimes-will...

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Have you heard of automation? Cron? Certbot? You can schedule cert renewal and it happens automatically. It could be refreshed every 1 day, I don't care. The fact that it's so painful for you means you need to learn a bit more.
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