DNS Sentinel monitors your zones across multiple resolvers, tracks every record change, and alerts you through 80+ channels — before your users notice.
Free forever for up to 5 zones · No credit card required
10,000+
Zones monitored
99.99%
Uptime
80+
Alert integrations
5M+
DNS checks daily
Purpose-built for DevOps teams who need visibility into DNS changes across every zone, every resolver, every time.
Check DNS from multiple global resolvers simultaneously. Catch propagation issues and inconsistencies before they cascade.
Every record modification tracked with full diff history. Know exactly what changed, when — and spot unauthorized modifications instantly.
Get notified via Slack, Discord, Teams, email, webhooks, PagerDuty, and 75+ more channels the moment something changes.
Monitor entire zones, not individual records. One zone covers A, AAAA, MX, NS, TXT, CNAME, and every other record type.
Shared dashboards, role-based access, and audit trails. Built for teams managing production DNS at scale.
Full API access for automation and CI/CD integration. Enterprise plan includes a self-hosted deployment option.
All paid plans include a 20% discount with annual billing. No credit card required to get started.
For side projects and personal domains
For developers and small teams
For DevOps teams managing production DNS
For organizations needing compliance & control
Add your first zone, pick your resolvers, and get alerted the moment anything changes. Free forever for up to 5 zones.