Compare software

AdGuard Home vs sdns: catalog facts
AdGuard Home	sdns
Free Free and open source under the GPL 3.0. AdGuard also sells a hosted AdGuard DNS service…	Free Free to use from its GitHub repository.
Windows, macOS, Linux, Web, Self-hosted	Linux, Self-hosted, Command line
Acts as a DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC server itself One binary with a web interface, so installation is straightforward	Full recursive resolution without a public upstream Built-in blocklist filtering
Run by a company that also sells blocking products, so the free tier is marketing Over-blocking breaks sites, as with any DNS blocker	Configured by file with no graphical interface Smaller community than Unbound or Pi-hole
Self-hosted	Self-hosted
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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