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DNSroboCert vs Dehydrated: catalog facts
DNSroboCert	Dehydrated

Best for: Administrators managing wildcard certificates or certificates for non-web services	Best for: Administrators who want a scriptable ACME client for TLS certificates
Free The MIT-licensed software is distributed free of charge.	Free Free and open source under the MIT license.
Windows, macOS, Linux, Command line, Self-hosted	Command line
Automates certificate renewal while running Supports DNS providers through Lexicon Can issue wildcard certificates using DNS challenges	Supports ACME v2 and wildcard certificates Can renew and revoke certificates Implemented as a shell script with common system dependencies
Limitations not stated	Requires OpenSSL and cURL
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for DNSroboCert adferrand.github.io/dnsrobocert/user_guide.html github.com/adferrand/dnsrobocert github.com/adferrand/dnsrobocert/blob/main/LICENSE github.com/adferrand/dnsrobocert/releases/tag/v3.27.0 Catalog checked October 6, 2026	Official website Full listing and sources Sources for Dehydrated dehydrated.io Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.