FREEDOM251

Freedom251 › Compare

Side by side

DNS Check vs dnshealth_exporter

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.

DNS Check

Free plan APIWeb

DNS Check pairs recurring monitoring and troubleshooting with shareable reports and an API. The free plan is limited to 10 records, while listed paid plans scale to 3,000.

Visit DNS Check

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

The facts

DNS Checkdnshealth_exporter
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, WebLinux, Self-hosted
Lowest paid planProfessional: $8 a monthFree or on request
Plans published61
MakerNot publishedNot published
Websitednscheck.cogithub.com
On dns monitoring software#4 of 37#8 of 37

DNS Check: what it does well

  • Automated checks run every five minutes on all plans
  • Supports 14 DNS record types
  • Shareable read-only reports
  • REST API is available to all accounts
  • Notifications include email, PagerDuty, and Slack

What to know first

  • Basic covers 10 records and seven days of history
  • More than 3,000 records requires a quote

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

Alternatives to DNS Check Alternatives to dnshealth_exporter The whole list