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RouteDNS vs Technitium DNS Server: catalog facts
RouteDNS	Technitium DNS Server
Free Free to download and run.	Free Free and open source under the GPL.
Linux, Self-hosted, Command line	Windows, macOS, Linux, Self-hosted
Supports DoT, DoH, DoQ and DTLS upstreams Flexible routing of queries between resolvers	Authoritative and recursive in one server, so it hosts your zones and resolves everything else Blocks ads and malware for every device on the network without per-device setup
Configured through files, no graphical interface Takes DNS knowledge to set up well	Considerably more complex than Pi-hole if all you want is ad blocking Running your own DNS means DNS outages become your problem
Downloadable app, Self-hosted	Self-hosted, Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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