FREEDOM251

Freedom251 › Compare

Side by side

dnshealth_exporter vs Paessler PRTG Network Monitor

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.

dnshealth_exporter

Free plan LinuxSelf-hosted

Choose dnshealth_exporter if you run Linux or self-hosted infrastructure and want DNS checks exposed to Prometheus, Grafana, or Alertmanager. Its early-development status and initial HTTP 503 period are worth accounting for when planning operations.

Visit dnshealth_exporter

Paessler PRTG Network Monitor

Free plan AndroidAPIiPhone+5

PRTG combines on-premises infrastructure monitoring with alerts, reports, dashboards, and an API. Check sensor needs and the single-license-per-server limit when choosing a plan.

Visit Paessler PRTG Network Monitor

The facts

dnshealth_exporterPaessler PRTG Network Monitor
Free planYesYes
Open sourceNot publishedNot published
Runs onLinux, Self-hostedAndroid, API, iPhone, Linux, Mac, Self-hosted, Web, Windows
Lowest paid planFree or on requestPRTG 500: $200 a year
Plans published16
MakerNot publishedNot published
Websitegithub.compaessler.com
On dns monitoring software#6 of 36#15 of 36

dnshealth_exporter: what it does well

  • Open-source software under Apache License 2.0
  • Checks SOA, recursion availability, and glue consistency
  • Metrics integrate with Prometheus-based dashboarding and alerting
  • Configuration reloads without restarting the exporter
  • Docker Compose demo includes Grafana and a CoreDNS hierarchy

What to know first

  • Project is marked as early development
  • Metrics endpoint returns HTTP 503 before the first probe completes
  • Building from source requires Go 1.26 or later

Paessler PRTG Network Monitor: what it does well

  • More than 250 preconfigured sensors
  • Customizable alerts and scheduled reports
  • API for monitoring data and custom features
  • Free iOS and Android monitoring apps

What to know first

  • Mobile apps do not support cluster setups
  • License sizes cannot be combined on one server
  • Paid plans start at $200/mo billed annually

Alternatives to dnshealth_exporter Alternatives to Paessler PRTG Network Monitor The whole list