No. 15 of 36 ·DNS Monitoring Software

Metric Tower

Web · Self-hosted · API

Freedom report

Two barsScore 6.3

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Metric Tower is ranked #15 of 36 in DNS monitoring software on Freedom251. It runs on API, Self-hosted, Web. There is a free plan. A free trial is offered.

Metric Tower plans and pricing

All plans

Free tier Free 10,000 lookups/day · free bulk feed with attribution · no credit card metrictower.com · 1 Oct 2026

Compared on DNS monitoring software

Free plan: Yes

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The record

Product scope: Metric Tower combines vulnerability scanning, DNS, SSL, uptime and cron monitoring, phishing simulation, status pages, on-call rotations, and incident response in one team-scoped, API-first platform.
Scanning: The platform provides 98 scanner modules across eight categories with automatic dependency resolution.
Monitoring: Infrastructure monitoring covers nine monitor types, including uptime, DNS, SSL, certificate-transparency logs, cron jobs, ports, blocklists, CSP, and dead-man workflows.
Alerting: Metric Tower offers escalation policies, on-call rotations, and 12 notification channels.
Phishing: Its phishing and training features include more than 40 templates, live campaign tracking, and automatic enrollment for users who click.
Ticketing integrations: Vulnerability findings can create tickets in Jira, Linear, GitHub Issues, Zendesk, ServiceNow, Azure DevOps, ClickUp, Asana, or Freshdesk.
Exports: Findings can be exported as PDF, JSON, CSV, SARIF, or Markdown, and uptime reports and executive summaries can be generated as PDFs.
Authentication: Authentication supports Google OAuth 2.0, TOTP, WebAuthn/FIDO2 security keys, and passwordless email codes, with team-wide MFA enforcement for administrators.
Scanner isolation: Each scanner tool runs in its own Docker sidecar with separate filesystem, network, and resource limits under a dedicated non-root user.
Compliance posture: Metric Tower says SOC 2 Type I is on its roadmap and that it aligns controls with SOC 2, ISO 27001, and GDPR principles without having completed a formal audit.
Self-hosting: The product is deployed via Docker Compose today, while a Kubernetes deployment reference is on the roadmap and enterprise teams can discuss early-access self-hosted builds.
Retention limit: Free accounts retain activity logs and cron-job run history for 30 days, while cloud metric snapshots are retained for seven days.
Support contact: Metric Tower directs enterprise, on-premises, and whitelabel inquiries to its contact page.
Price from: Free

Where it ranks on Freedom251

Best DNS Monitoring Software in 2026#15 of 36

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Sources

metrictower.com/about· checked 1 Oct 2026
metrictower.com· checked 1 Oct 2026
metrictower.com/features/vulnerability-management· checked 1 Oct 2026
metrictower.com/trust· checked 1 Oct 2026