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That would be nice, but with it being so easy to get a certificate, you could just add a new SSL cert when you add the new subdomain.


If there only wasn't the limit of 5 certificates per domain per week [1].

[1] https://community.letsencrypt.org/t/rate-limits-for-lets-enc...


When it comes to rate-limiting, example.com and foobar.example.com are treated as completely separate domains.


That would be pretty awesome, but it's not how I interpret the following: "This limit measures certificates issued for a given combination of Public Suffix + Domain (a 'registered domain')."

Do you have a source?


I do not believe this is true. That rate limit applies to second-level domains and all subdomains.


This is not true. I know from experience.

See the first point in https://community.letsencrypt.org/t/rate-limits-for-lets-enc...




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