DNS Monitoring Tool – Detect Changes Before They Break Your Site
Monitor DNS record changes, SPF/DKIM/DMARC issues, DNSSEC validation, and domain expiration. Get instant alerts when something changes. One-time payment, lifetime access.
Why DNS Monitoring Matters
Prevent Costly Downtime
A single DNS misconfiguration can take your entire website offline. Unauthorized changes to A records, NS records, or CNAME entries can redirect your traffic or cause complete outages. Continuous DNS monitoring detects these changes within minutes, not hours.
Protect Email Deliverability
Broken SPF, DKIM, or DMARC records mean your emails end up in spam folders — or don't arrive at all. DNSMonit continuously validates your email authentication records and alerts you the moment something changes, so your business emails always reach their destination.
Stay Ahead of Security Threats
DNS hijacking, cache poisoning, and domain expiration are real threats. DNSMonit validates DNSSEC, monitors CAA records, tracks domain registration dates, and alerts you before your domain expires — preventing attackers from exploiting DNS vulnerabilities.
Complete DNS Monitoring Features
Everything you need to keep your domains healthy, secure, and running smoothly.
DNS Record Monitoring
Track A, AAAA, MX, NS, TXT, CNAME, SOA, and CAA records. Get alerts when any record changes, is added, or is removed.
DNS Health Score
Automatic scoring from 0-100 based on DNS best practices. Get a clear A-F grade with actionable improvement recommendations.
Change Detection & Alerts
Instant notifications via email, Slack, Discord, or webhooks when DNS records change. Never miss a propagation issue.
Email Security Analysis
Validate SPF, DKIM, and DMARC configuration. Monitor email authentication records and prevent deliverability issues.
DNSSEC Monitoring
Validate the DNSSEC chain of trust. Detect broken signatures and invalid configurations before they cause outages.
Domain Expiration Tracking
WHOIS monitoring with alerts at 30, 14, 7, and 1 day before expiration. Never lose a domain again.
How DNSMonit Works
Add Your Domains
Enter any domain name. DNSMonit instantly scans all DNS records, calculates a health score, and identifies security gaps.
We Monitor 24/7
DNSMonit checks your domains every 15 minutes using Google, Cloudflare, and Quad9 resolvers. Every record change is logged.
Get Instant Alerts
When a record changes, you're notified immediately via email, Slack, Discord, or webhooks. Fix issues before users are affected.
Simple, Transparent Pricing
No monthly fees. No surprises. Pay once, monitor forever.
Lifetime
Pay once, use forever
- Unlimited domains
- 15-minute checks
- Email, Slack, Discord, Webhook
- DNSSEC & WHOIS monitoring
- SPF/DKIM/DMARC analysis
- Full change history
Why DNSMonit?
| Service | Price | Model |
|---|---|---|
| DNS Spy | $10-50/month | Recurring |
| Pingdom DNS | $15+/month | Recurring |
| DNSChecker.org | Free | Manual only |
| DNSMonit | $39 once | Lifetime |
Frequently Asked Questions
What is DNS monitoring?
DNS monitoring is the continuous process of checking your domain's DNS records for changes, misconfigurations, and security issues. DNSMonit automatically checks records like A, AAAA, MX, NS, TXT, CNAME, SOA, and CAA, alerting you instantly when something changes.
How often does DNSMonit check my domains?
Free plan domains are checked once per day. Lifetime plan domains are checked every 15 minutes, ensuring you catch changes as quickly as possible.
What's included in the free plan?
The free plan includes monitoring for up to 3 domains with daily checks, email alerts for DNS changes, and basic DNS health scoring. No credit card required.
Is the lifetime plan really a one-time payment?
Yes. You pay $39 once and get lifetime access to all features including unlimited domains, 15-minute checks, Slack/Discord/Webhook notifications, DNSSEC monitoring, WHOIS tracking, and full change history. No recurring fees, ever.
What DNS records does DNSMonit monitor?
DNSMonit monitors A, AAAA, MX, NS, TXT, CNAME, SOA, and CAA records. It also validates DNSSEC, parses SPF and DMARC records, and tracks domain registration via WHOIS.
How do I get notified of DNS changes?
DNSMonit supports email notifications on the free plan. The lifetime plan adds Slack, Discord, and custom webhook integrations so you can route alerts to your preferred tools.
Do you support DNSSEC monitoring?
Yes. DNSMonit validates the DNSSEC chain of trust for your domains and alerts you if DNSSEC becomes invalid or is removed, helping prevent DNS spoofing attacks.
Start Monitoring Your DNS Today
Join domain administrators who trust DNSMonit to keep their DNS healthy and secure.