No. 5 of 65 ·Internet Filtering Software

Technitium DNS Server

Web · Windows · Mac · Linux · Self-hosted · API

Freedom report

Three barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely4 of 6 device platforms
DocumentedPlans, terms and facts published

Technitium DNS Server is ranked #5 of 65 in internet filtering software on Freedom251. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

Technitium DNS Server plans and pricing

All plans

Technitium DNS Server Free Open source; self-hosted DNS server technitium.com · 30 Sept 2026

Compared on internet filtering software

Free plan: Yes
Custom blocklists: Yes

Best Technitium DNS Server alternatives

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Two bars AdGuard DNS Free tier No. 1Free6.7 Two bars NextDNS Free tier No. 2£1.79/mo6.7 Two bars Cloudflare Gateway Free tier No. 3$7/mo6.6 Two bars UnveilDNS Free tier No. 4$16.58/mo6.6 One bar CleanBrowsing Paid plans No. 6$6.25/mo5.8 One bar Control D Paid plans No. 7$2/mo5.8

The record

Purpose: It is an open source authoritative and recursive DNS server for self-hosting, privacy, and security.
Ad and malware blocking: It can use block list URLs that update daily to block ads and malware across a network.
DNS privacy: It supports DNS-over-TLS, DNS-over-HTTPS, and DNS-over-QUIC for encrypted forwarding to public resolvers.
DNS roles: It supports both authoritative and recursive DNS service, including primary, secondary, stub, and conditional forwarder zones.
Administration: A browser-accessible web console includes built-in clustering to manage two or more server instances.
Authentication: It supports OpenID Connect single sign-on, LDAP authentication, role-based access, and TOTP two-factor authentication.
Integrations: It can forward DNS queries to Cloudflare, Google, Quad9, or AdGuard and provides an HTTP API for third-party apps and scripts.
Network services: It includes a DHCP server that can work with multiple networks.
Security: It supports DNSSEC validation and signed zones, and provides DNS rebinding attack protection through an app.
Deployment: Downloads are offered for Windows, Linux, macOS, and Raspberry Pi arm7; an official Docker image is also available.
Platform limitation: Raspberry Pi arm6 devices, including Raspberry Pi 1 and Raspberry Pi Zero, are not supported.
Support: The maker lists email support, a user manual and FAQ, and a Reddit community.
Privacy: The privacy policy says registration is not required and that, apart from web server logs, the maker does not collect or know user information.
Intended users: The help page describes it as aimed at self-hosting for privacy and security, software development and testing, and small to medium networks.
Price from: Free

Where it ranks on Freedom251

Best Internet Filtering Software in 2026#5 of 65
Best DNS Filtering Software in 2026#4 of 28

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Sources

technitium.com/dns/· checked 30 Sept 2026
technitium.com/dns/privacypolicy.html· checked 30 Sept 2026
technitium.com/dns/help.html· checked 30 Sept 2026