TLS Certificate

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1

I have created a nextcloud hosted on my Ubuntu 22 Server via domain mycloud.cloudns.be (obtained from clouDNS). Upon requesting Apache certificate i get this message:
An unexpected error occurred:
Error creating new order :: too many certificates already issued for "cloudns.be". Retry after 2024-03-02T12:00:00Z: see Rate Limits - Let's Encrypt

This is the first time i am requesting a TLS certificate for this domain so i don't understand why it is being denied.

2

This is because rate limits apply at the level of your parent domain name, cloudns.be, which does already have a large number of cetificates in use: https://crt.sh/?q=cloudns.be

There are three ways to resolve this:

  • Try again after the suggested time. Once you get your first certificate, renewals will not count against this rate limit.
  • Ask clouDNS to request a rate limit adjustment from Let's Encrypt. If approved, adjustments are usually deployed within 1-2 weeks.
  • Wait for cloudns.be's pending inclusion on the Public Suffix List, and for Let's Encrypt to then merge the change downstream. (Please don't add more comments to the GitHub PR; the PSL's maintainers have a very large number of requests and this will not increase its priority.)
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3

Two more ways to resolve that:

  • Use/Obtain an FQDN from another domain.
  • Try obtaining a certificate from other [free] CAs.
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