acme-dns-tiny is a python 3 script able to ask a Certificate Autority (CA) to provide automatically a X.509 certificate.
To be able to automate the certificate creation, acme-dns-tiny uses the ACME RFC 8555 standard. Indeed, to prove to the CA you are the owner of the domains included in the certificate request, acme-dns-tiny uses the DNS challenges defined by this RFC.
To resolve these challenges, acme-dns-tiny dynamically updates some DNS resources on your DNS service provider.
That's why, to be able to use acme-dns-tiny, you'll have to choose a CA which provides a service following the ACME RFC 8555, like the Let's Encrypt non-profit Certificate Authority.
The main goal of acme-dns-tiny is not to rewrite the official certbot ACME client but to give administrators a simple script easy to integrate in their environment without requiring root privileges and without access to the domain private key.
To run acme-dns-tiny, you'll need a computer with Python 3, the dnspython module, the requests module and the OpenSSL command line available.
Then you have to give access to the non-root user running the script to:
Finally, that computer must be able to access a DNS server allowing dynamic resource updates through TSIG key authentication.
Please see our Gitlab page to find the latest release.
acme-dns-tiny is a fork of the acme-tiny project, but it has slightly diverged to:
Code and documentation are available on
This project is under the MIT license as the original acme-tiny.
A mirror of the code is also available on Github.
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