Knot DNS
knot-dns.czHigh-performance authoritative DNS server
Ops & Infradnsopen-sourcednssecnetworkingauthoritative-dnsserverhigh-performance
About
Knot DNS is an open-source, high-performance authoritative-only DNS server licensed under GPL 3+. It supports modern DNS features including DNSSEC signing, incremental zone transfers, dynamic updates, and response rate limiting. The server is designed for high-throughput, lock-free operation and targets platforms such as Linux, BSD, macOS, and other POSIX systems.
Problem
Running a reliable, high-performance authoritative DNS server that supports modern DNS standards and security features is complex and resource-intensive.
For
system administrators, ISPs, and network operators running DNS infrastructure
How it works
Knot DNS operates as a lock-free, authoritative-only DNS server with configurable XDP zero-copy mode and automatic DNSSEC signing, available as open-source software for download and deployment on POSIX systems.
Business model
open-source
Status
launched