Can I monitor domain certificate expiry date from Caddy?

Help
1

Where Caddy is saving the INFO data for each domain name so it know when to renew it for example?
I want to monitor the domains under Caddy so I will make sure everything is working for all domains all the time.

Thanks

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2

The NotAfter date is encoded into each certificate in storage. So you could read the cert from storage.

But a more practical and actionable approach would be to just make a TLS connection to the server and get the NotAfter date off the certificate that is presented. Services like https://ohdear.app and hardenize.com can do this for you!

3

Nice. You gave me a lot of options. Thank you!

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