Compare software

Domain LockerHetrixTools
Free

Open source under MIT for self-hosting; hosted pricing is not stated in the research.

 Freemium

Free tier with 15 uptime and 32 blacklist monitors; paid plans add more.

Web, Self-hosted Web
  • Tracks domains from many registrars in one place
  • Expiry and change alerts through many channels
  • Generous free tier for uptime and blacklist monitoring
  • Checks from up to 12 locations
  • Most useful only for people managing several domains
  • Some features such as widgets are listed as coming soon
  • Hosted only, with no self-hosted option
  • Requires an account
Self-hosted, Hosted service Web application, Hosted service
Open source Closed source
License: MIT License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Needs internet

Checked October 2, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.