Is LetsEncrypt compatible with all TLDs?

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Hi @dr00bie

rocks isn't new, see

https://publicsuffix.org/list/public_suffix_list.dat

// rocks : 2013-11-14 Dog Beach, LLC
rocks

So if a TLD is listet on the Public Suffix List, you should be able to create a certificate.

Or use the IANA list:

https://www.iana.org/domains/root/db

spa is the newest TLD - .spa Domain Delegation Data

Or use online tools like https://letsdebug.net/ (from @_az) or https://check-your-website.server-daten.de/ (own tool), there are domain name checks included.

In some cases it's possible that a domain is listed (PSL or IANA), but Letsencrypt doesn't have the newest version. But that's rare.

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