dnshealth_exporter vs Down Device
| dnshealth_exporter | Down Device | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | Free | $9/mo |
| Open source | No | No |
| Platforms | Linux, self-hosted | Web |
| Nameserver health checks | Yes | — |
| Alert channels | Grafana, Alertmanager | email, SMS |
| Free plan | — | Yes |
| Paid from | — | 9 /mo |
| Check interval | — | 15 minutes |
| Resolution checks | — | Yes |
| Record-change alerts | — | Yes |
Both are listed in Best DNS Monitoring Software. On Everything Xiaomi, Down Device scores higher on our published basis.