Free
Free
Site states Knot DNS is completely free to download and use under the GPL 3+ license.
- Access
- Site states Knot DNS is completely free to download and use under the GPL 3+ license.
Knot
● Identity checkedCode · Vendor site 2026-10-04
Knot DNS is a high-performance authoritative-only DNS server from CZ.NIC supporting modern DNS and DNSSEC features. It is open source under GPL 3+, targets POSIX platforms, and is used for authoritative hosting rather than recursive resolver deployments.
- Category
- Code
- Free access
- Site states Knot DNS is completely free to download and use under the GPL 3+ license.
- API access
- Not confirmed as a SaaS API; Knot is server software configured via zone files and knotd.
Is Knot right for you?
A good fit for
DNS operators and infrastructure teams needing an authoritative, DNSSEC-capable open-source server.
Before you choose
Authoritative-only design means recursive resolution must be handled by other software.
Authoritative DNS server
Knot DNS from CZ.NIC is a feature-packed authoritative server with open-source licensing and DNSSEC-focused releases.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Role | Homepage describes Knot DNS as a high-performance authoritative-only DNS server. | Facts sourced | 2026-10-04 |
| License | Site notes the software is open source and free under GPL 3+. | Facts sourced | 2026-10-04 |
| Release | News section lists version 3.6.0 with DNSSEC and DELEG-aware features. | Facts sourced | 2026-10-04 |
Understand the total cost
Knot pricing & plans
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Frequently asked questions
What is Knot used for?
Knot DNS is a high-performance authoritative-only DNS server from CZ.NIC supporting modern DNS and DNSSEC features. It is open source under GPL 3+, targets POSIX platforms, and is used for authoritative hosting rather than recursive resolver deployments.
Does Knot have a free plan?
Site states Knot DNS is completely free to download and use under the GPL 3+ license.. This record lists ongoing free access; check the plan limits before starting.
How much does Knot cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Knot through an API?
Not confirmed as a SaaS API; Knot is server software configured via zone files and knotd.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Authoritative-only design means recursive resolution must be handled by other software.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.