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Knot DNS
Knot DNS is an open source authoritative DNS server designed for high performance, scalability, and compliance with modern DNS standards.
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About Knot DNS
Knot DNS is a high-performance authoritative DNS server developed by CZ.NIC, the Czech national domain registry. It focuses on speed, robustness, and full support of current DNS protocols, including DNSSEC, EDNS0, and DNS over TLS. The server is built from the ground up with a multi-threaded, asynchronous architecture that can handle millions of queries per second on modest hardware. It includes built-in automatic DNSSEC key management, a query planner for optimal zone processing, and a modular configuration system. Knot DNS implements catalog zones, dynamic updates, and supports the KASP (Key and Signing Policy) for automated zone signing. It runs on Linux and other Unix-like systems. The project also provides Knot Resolver, a separate DNS resolver. Knot DNS is a practical choice for operators who need a reliable, well-documented authoritative server without the bloat of BIND or the licensing costs of commercial alternatives. CZ.NIC maintains the code and provides commercial support through its partners.
DNS Management
Quick Facts
- Pricing
- Open Source
- License
- Open Source
- Platform
- Linux
- Version
- 3.4
- Developer
- CZ.NIC
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