LicenseDNS
DNS-Based Software Licensing
Subscription204 impressions#1525 of its week
LicenseDNS uses DNSSEC-secured DNS TXT queries to verify software licenses securely and simply.
- for
- Developers needing easy, cryptographically-verified licensing for any OS or language.
- pricing
- paid · free trial
Key features
- DNSSEC-protected verification — License data is returned via cryptographically verified DNS TXT responses.
- No custom crypto needed — Eliminates in-house cryptographic implementation for license checks.
- Universal compatibility — Works on any operating system or programming language that can send DNS queries.
- Instant activation/deactivation — Supports unlimited license activations and deactivations via DNS.
- Scalable license generation — Allows up to 1,000 licenses per user per month.
Use cases
- Validate a desktop application's license at startup without a custom server.
- Activate a SaaS feature flag by querying a DNS record.
- Deactivate a license when a user unsubscribes, using a simple DNS call.
- Distribute trial licenses that expire automatically via DNS TTL.
LicenseDNS FAQ
How does LicenseDNS verify a license?+
It sends a standard DNS TXT query to any recursive DNS server, which returns a DNSSEC-signed response containing the license data.
Do I need to run my own license server?+
No, the DNS ecosystem handles verification, so no separate server is required.
What platforms can I use LicenseDNS with?+
Any operating system or programming language that can perform DNS queries, because DNS is universally supported.
Is there a limit on activations or deactivations?+
Activations and deactivations are unlimited under the subscription plan.
Can I try LicenseDNS before paying?+
Yes, a 10-day free trial is available when you create an account on the License Manager login page.
Summarized by DevHunt from licensedns.net · Oct 27, 2026. Details may change; check the official site.
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