Hi, I’ve been successfully using LetsEncrypt for issuing certificates for my own sites and thank you for that! My question regards internal sites, that are not accessible from the internet. The sites are located in a private LAN that goes through NAT to the outside world. The sites have domain nam…

To validate the name wiki.mytld.gov.gr, you would use a TXT record at _acme-challenge.wiki.mytld.gov.gr.. But you can CNAME that anywhere. If the mytld.gov.gr. people are willing to create a CNAME pointing somewhere you do control, that would solve the problem. E.g. if they set _acme-challenge.wik…

DNS validation for internal sites

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DNS validation for internal sites

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