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sdns vs Pi-hole: catalog facts
sdns	Pi-hole
Free Free to use from its GitHub repository.	Free Free and open source under the European Union Public Licence 1.2, funded by donations and…
Linux, Self-hosted, Command line	Linux, Self-hosted, Web
Full recursive resolution without a public upstream Built-in blocklist filtering	Blocks advertising in mobile apps and on smart televisions, not just browsers Covers every device on the network with nothing installed on them
Configured by file with no graphical interface Smaller community than Unbound or Pi-hole	Runs on Linux; it is not a program you install on a laptop Over-blocking breaks sites, and someone has to fix it when it does
Self-hosted	Self-hosted
Closed source	Open source
License not stated	License: EUPL-1.2
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.