Compare software

DNS SpyHetrixTools
Freemium

Monitoring is paid with a 7-day free trial; some one-off tools are free.

 Freemium

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

Web Web
  • Record-level change alerts checked from multiple locations
  • Domain and SSL expiry tracking in one place
  • Generous free tier for uptime and blacklist monitoring
  • Checks from up to 12 locations
  • Continuous monitoring requires a paid plan
  • Hosted service only
  • Hosted only, with no self-hosted option
  • Requires an account
Hosted service Web application, Hosted service
Closed source Closed source
License not stated License not stated
Account needed Account needed
Needs internet Needs internet

Checked October 2, 2026

Checked September 23, 2026

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