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dnshealth_exporter

github.com

Free plan LinuxSelf-hosted
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Spec score 7.7 #22 of 37 in DNS Monitoring Software

Spec sheet

Purpose
dnshealth_exporter monitors DNS zone health and exposes Prometheus metrics for dashboards and alerting.Read 4 Oct 2026 · github.com
Integrations
The project describes using Prometheus metrics with Grafana dashboards and alerting, with thresholds and alert rules handled in Grafana or Alertmanager.Read 4 Oct 2026 · github.com
Security
The repository lists an Apache License 2.0 and does not state security certifications or compliance claims in the README.Read 4 Oct 2026 · github.com
Support
The README provides a demo walkthrough and troubleshooting instructions but does not specify a support service or response commitment.Read 4 Oct 2026 · github.com
Checks
The README says SOA, recursion-available, and glue consistency checks are implemented; the project is marked early development.Read 4 Oct 2026 · github.com
Configuration
Configuration can be reloaded without restarting, either by sending SIGHUP or by posting to /-/reload.Read 4 Oct 2026 · github.com
Demo
A bundled Docker Compose demo runs the exporter, Prometheus, Grafana with a pre-imported dashboard, and a CoreDNS hierarchy.Read 4 Oct 2026 · github.com
Installation
The README documents building from source with Go 1.26 or later and running the exporter with a YAML configuration file.Read 4 Oct 2026 · github.com
Intended use
It is designed to surface DNS health signals such as parent delegation, nameserver consistency, SOA correctness, and MX validity.Read 4 Oct 2026 · github.com
Limits
The README says the metrics endpoint returns HTTP 503 until the first probe cycle completes.Read 4 Oct 2026 · github.com
Metrics
The exporter serves metrics at the local endpoint http://localhost:9199/metrics, refreshing on a configurable probe interval that defaults to 60 seconds.Read 4 Oct 2026 · github.com
Operations
The README provides an example systemd service configuration with restart-on-failure and reload support.Read 4 Oct 2026 · github.com

Plans and prices

Open-source software Free No paid tiers or usage limits stated Read 4 Oct 2026 · github.com

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