Is Let's Encrypt certificate via DNS challenge is planned?

@giacomo I saw you questioned yourself about DNS Challenge for the v7

And then, as sadly, like, I must admit, probably few of us, my ISP bloc (for my own good) the port 80; and so the HTTP Challenge is not possible; so that bring me the question: is Let’s Encrypt certificate via DNS challenge is planned?

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I thought I’d seen an announcement that such support was released, at least for a few DNS providers, but now I can’t find it. But it can always be done from the CLI:
https://wiki.nethserver.org/doku.php?id=userguide:let_s_encrypt_for_internal_servers
…and if you don’t have a supported DNS provider (and you’re not willing or able to change to one):
https://wiki.nethserver.org/doku.php?id=userguide:let_s_encrypt_acme-dns

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Take a look at this: nethserver-base — NethServer 7 documentation

Please note that EPEL ships an old version of certbot, so not all providers are supported.