Knot DNS
Knot DNS is a high-performance authoritative DNS server that supports all the key features of a modern domain name system.
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A fast, stable, authoritative DNS server designed to handle high traffic
Knot DNS handles extreme volumes of DNS queries without any performance fluctuations. Thanks to its efficient use of hardware, DNSSEC support, and lock-free architecture, it is suitable for critical infrastructure and demanding production environments.
100+ Gbps
XDP mode enables high performance even with a single server instance
Deployed on both Root and TLD
Suitable for use in high-traffic areas
Advanced DNSSEC
Support for fully automated DNSSEC security
Modular architecture
The server can be expanded with custom modules
Main advantages
Open source
Knot DNS is open source and free to download and use. The source code is available under the GPL license.
Extensive features
Knot DNS supports advanced DNS features, including DNSSEC, dynamic updates, RRL, and quick reconfiguration without restarting the service.
Top-notch performance
The DNS Knot is designed for high performance and continuous operation. Thanks to its lock-free architecture, it achieves very fast response times even under heavy load.
Safe and stable
The code is continuously tested using an extensive set of tests to ensure stability and compatibility and to prevent security issues and performance degradation.
PROJECT WEBSITE
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Advanced support
Professional Support (SLA, NDA) – for both routine and demanding operations
Community support – quick help from the community and the team
Open source
Frequently asked questions
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Kateřina Chmelová
Director of Sales