Side by side
OpenNMS vs ThousandEyes DNS Monitoring
Both stand on dns monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxSelf-hosted+1
OpenNMS covers network monitoring across local and remote environments, with Horizon and Meridian serving different release and subscription needs. Consider Horizon’s production-readiness caveat and Meridian’s per-instance subscription limits when selecting a distribution.
Visit OpenNMS Free trial AndroidAPIiPhone+5
ThousandEyes DNS Monitoring provides detailed DNS checks, hierarchy tracing, DNSSEC verification and broad alert routing. Its paid, usage-based structure is suited to organizations that need monitoring across varied infrastructure.
Visit ThousandEyes DNS MonitoringThe facts
| OpenNMS | ThousandEyes DNS Monitoring | |
|---|---|---|
| Free plan | Yes | A free trial |
| Open source | Not published | Not published |
| Runs on | API, Linux, Self-hosted, Web | Android, API, iPhone, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Basic: $6,000 a year | Free or on request |
| Plans published | 6 | 1 |
| Maker | Not published | Not published |
| Website | opennms.com | thousandeyes.com |
| On dns monitoring software | #14 of 39 | #34 of 39 |
OpenNMS: what it does well
- Horizon community distribution is free
- Monitors remote devices through Minions
- Supports multiple traffic-flow formats
- Grafana plugin displays alarms, outages, and KPIs
What to know first
- Horizon features may not be production-ready
- 24/7 emergency support costs extra
- Support plans exclude several third-party products
- Meridian subscriptions are limited per instance
ThousandEyes DNS Monitoring: what it does well
- Monitors on-premises and third-party DNS
- Traces complete DNS hierarchies
- Verifies DNSSEC keychains
- Alerts on record changes
- 15-day trial with global Cloud Agents
What to know first
- No free plan
- Pricing is available on request
- Annual cost depends on visibility needs
- Usage is calculated from test units
Alternatives to OpenNMS Alternatives to ThousandEyes DNS Monitoring The whole list