Technitium DNS Server

Block ads & malware at the DNS level for your entire network

Get it on umbrelOS

Version15.6.2

CategoryNetworking

Source codePublic

Developed byTechnitium 1 app

Submitted byhighghlow 6 apps

Compatible withumbrelOS 0.5 or later

Technitium DNS Server is an open source authoritative, as well as recursive, DNS server that can be used for self hosting a DNS server for privacy & security. It works out-of-the-box with no or minimal configuration.

What's new

Version 15.6.2+Oct 17, 2026

This update includes security fixes and improvements:

Fixed a zone permission boundary issue that could allow users to modify records in a separate subdomain zone.
Fixed a denial-of-service issue caused by a stream of empty UDP packets.
Fixed configuration synchronization issues in cluster deployments.
Dashboard statistics now link to filtered query logs.

Full release notes can be found at https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.6.2

Version 15.6.1+Oct 12, 2026

This service update fixes multiple issues from the previous release.

Full release notes can be found at https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.6.1

Version 15.6.0+Oct 4, 2026

This update adds a new setting to explicitly enable or disable Cache Prefetch.

It also fixes recursive resolution issues in Prefer IPv6 mode, DNS cache CNAME shadowing issues, multiple authenticated DoS issues, a session token prefix oracle vulnerability, and a log injection vulnerability.

Full release notes can be found at https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.6.0

Version 15.5.1+Sep 27, 2026

This service update fixes recursive resolver limit issues that could affect resolution for some domain names.

It also fixes a session token prefix oracle vulnerability, an XSS vulnerability in the Logs view, and includes other minor bug fixes and improvements.

Full release notes can be found at https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.5.1

Version 15.5.0+Sep 20, 2026

This update adds LDAP authentication support, a Zone File Editor for Primary and Conditional Forwarder zones, and new Docker environment options for static API sessions and custom web UI assets.

It also fixes a DNS-over-HTTPS/3 denial-of-service issue, improves Docker shutdown handling, adds QUIC support in the container, and includes other minor bug fixes and improvements.

Full release notes can be found at https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.5.0

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