# Technitium DNS Server vs Unbound

| Attribute | Technitium DNS Server | Unbound |
|---|---|---|
| **Vioscale score** | 49.5 (8% (low)) | 47.7 (16% (low)) |
| activity.commits_last_30d | - | 84 |
| adoption.dependent_repos | 0 | 0 |
| adoption.github_stars | 9,649 | 4,817 |
| deployment.options | `{"self_hosted":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | An open-source DNS server software that allows users to host their own DNS infrastructure for filtering ads and malware network-wide. It provides a web-based management interface and supports encrypted DNS protocols for secure resolution. | A free DNS resolver software that encrypts user queries and validates domain lookups. Designed for privacy and performance, it supports modern encrypted DNS protocols and works across Linux, BSD, and macOS systems. |
| language.primary | C# | C |
| license.spdx | GPL-3.0 | BSD-3-Clause |
| market.availability | - | `{"hqCountry":"NL","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"mac":true,"linux":true,"windows":true}` | `{"cli":true,"mac":true,"linux":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://technitium.com/dns/","retrievedAt":"2026-08-20T16:34:14.494Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://nlnetlabs.nl/projects/unbound/about/","retrievedAt":"2026-08-20T16:34:32.426Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| release.cadence_days | 6 | 52 |
| release.history | `[{"url":"https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.4.0","date":"2026-07-11T11:22:50Z","type":"stable","version":"v15.4.0"},{"url":"https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.3.0","date":"2026-07-05T13:37:58Z","type":"stable","version":"v15.3.0"},{"url":"https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.2.0","date":"2026-05-09T12:09:25Z","type":"stable","version":"v15.2.0"},{"url":"https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.1.0","date":"2026-05-03T10:30:43Z","type":"stable","version":"v15.1.0"},{"url":"https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.0.1","date":"2026-04-26T12:37:14Z","type":"stable","version":"v15.0.1"},{"url":"https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v15.0.0","date":"2026-04-25T10:57:05Z","type":"stable","version":"v15.0.0"}]` | `[{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.26.0","date":"2026-08-04T08:00:13Z","type":"stable","version":"release-1.26.0"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.25.2","date":"2026-07-22T09:18:40Z","type":"stable","version":"release-1.25.2"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.25.1","date":"2026-05-20T09:17:20Z","type":"stable","version":"release-1.25.1"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.25.0","date":"2026-04-29T09:56:24Z","type":"stable","version":"release-1.25.0"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.24.2","date":"2025-11-26T11:22:30Z","type":"stable","version":"release-1.24.2"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.24.1","date":"2025-10-22T10:28:00Z","type":"stable","version":"release-1.24.1"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.24.0","date":"2025-09-18T08:36:55Z","type":"stable","version":"release-1.24.0"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.23.1","date":"2025-07-16T09:20:27Z","type":"stable","version":"release-1.23.1"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.23.0","date":"2025-04-24T08:07:21Z","type":"stable","version":"release-1.23.0"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.22.0","date":"2024-10-17T08:43:37Z","type":"stable","version":"release-1.22.0"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.21.1","date":"2024-10-04T10:42:01Z","type":"stable","version":"release-1.21.1"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.21.0","date":"2024-08-15T08:56:18Z","type":"stable","version":"release-1.21.0"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.20.0","date":"2024-05-08T09:06:15Z","type":"stable","version":"release-1.20.0"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.19.3","date":"2024-03-14T09:26:00Z","type":"stable","version":"release-1.19.3"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.19.2","date":"2024-03-07T09:09:39Z","type":"stable","version":"release-1.19.2"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.19.1","date":"2024-02-13T12:54:31Z","type":"stable","version":"release-1.19.1"},{"url":"https://github.com/NLnetLabs/unbound/releases/tag/release-1.19.0","date":"2023-11-08T09:54:09Z","type":"stable","version":"release-1.19.0"}]` |
| security.disclosure_policy | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=technitium-dns-server&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2FNLNetLabs%2Funbound&per_page=100","last_12m":0,"max_severity":null}` |

*Source: Vioscale. Generated 2026-09-01T15:05:00.701Z. "-" = undocumented, not absent.*