dnshealth_exporter vs OpenNMS
| dnshealth_exporter | OpenNMS | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | |
| Paid from | Free | $500/mo |
| Platforms | Linux, self-hosted | api, Linux, self-hosted, Web |
| Nameserver health checks | Yes | |
| Alert channels | Grafana, Alertmanager | email, sms |
| Free plan | Yes | |
| Synthetic checks | Yes | |
| Traffic monitoring | Yes | |
| Topology maps | Yes | |
| Deployment | self_hosted |
Listed together in Best DNS Monitoring Software