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BIND 9 vs Technitium DNS Server: catalog facts
BIND 9	Technitium DNS Server
Free Free and open source under the Mozilla Public License 2.0.	Free Free and open source under the GPL.
macOS, Linux, Self-hosted, Command line	Windows, macOS, Linux, Self-hosted
dig is a standard tool for DNS troubleshooting Full-featured DNS server with DNSSEC	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
dig comes as part of the larger BIND package Server configuration has a steep learning curve	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
Open source	Open source
License: MPL-2.0	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.