Knot DNS is a high-performance authoritative-only DNS server which supports all key features of the modern domain name system.
It was created from scratch and is actively developed by CZ.NIC, the .CZ domain registry.
This is free and open source software.
- Primary and secondary server operation.
- Internet class (IN).
- DNS extension (EDNS0, EDE).
- TCP and UDP protocols.
- Zone catalog generation and interpretation.
- Minimal responses.
- Dynamic zone updates.
- DNSSEC with NSEC and NSEC3.
- ZONEMD generation and validation.
- Transaction signature using TSIG.
- Full and incremental zone transfers (AXFR, IXFR).
- Name server identification using NSID or Chaos TXT records.
- Resource record types A, NS, CNAME, SOA, PTR, HINFO, MINFO, MX, TXT, RP, AFSDB, RT, KEY, AAAA, LOC, SRV, NAPTR, KX, CERT, DNAME, APL, DS, SSHFP, IPSECKEY, RRSIG, NSEC, DNSKEY, DHCID, NSEC3, NSEC3PARAM, TLSA, SMIMEA, CDS, CDNSKEY, OPENPGPKEY, CSYNC, ZONEMD, SVCB, HTTPS, SPF, NID, L32, L64, LP, EUI48, EUI64, URI, CAA, and Unknown.
Support: Documentation, GitLab Code Repository
License: GNU General Public License v3.0
Knot DNS is written in C. Learn C with our recommended free books and free tutorials.
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