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SecurityAlternative to InfobloxAlternative to Cloudflare 1.1.1.1Alternative to BIND 9

Unbound

Validating, recursive, caching DNS resolver designed for high performance and security.

View on GitHub Visit website
LicenseBSD-3-Clause
GitHub stars1.8k
Last commit1 weeks ago
Tags5 topics
Nlnetlabs UnboundDnssec ValidatorDns Over TlsRecursive Dns ResolverSecurity
Overview

Why consider Unbound?

Unbound is an open-source, validating recursive and caching DNS resolver written in C by NLnet Labs. Featuring built-in DNSSEC signature validation, DNS-over-TLS (DoT), DNS-over-HTTPS (DoH), and query privacy hardening, Unbound provides secure recursive resolution for enterprises and ISPs.

Guided learning

Learn Unbound by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of Unbound

Unbound securely resolves domain names directly against root DNS servers with cryptographic DNSSEC verification.

Docker Quickstart

bash
1docker run -d -p 53:53/udp mvance/unbound:latest

Unbound is licensed under the BSD 3-Clause License.

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Unbound FAQs

Unbound is listed as a Security tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

Unbound is listed under the BSD-3-Clause license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

Unbound is listed as an alternative to Infoblox. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.