Licensing

Choose the license that fits your setup

Start with Free for development and evaluation. Unlock Pro when DNS Server Sentinel becomes part of a machine you rely on.

Free

Free

0€

Use DNS Server Sentinel without a license key. After 48 hours of server runtime, restart the server to continue resolving requests.

  • Service and Portable editions
  • Development and local testing use
  • Local zones and records
  • Forwarding, cache, protections, and Admin UI
  • 48-hour runtime window per server start
Download Free

Pro

Pro

49€ / 3 years

Unlock DNS Server Sentinel on one machine and remove the Free runtime restart limit for the license period.

  • Machine-bound Pro license
  • No 48-hour restart limit
  • Valid for 3 years
  • Manual license generation after PayPal purchase
Buy Pro