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.
Two-factor authentication on every plan · Export everything you put in · Hosted in the EU
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.
Built for Domain Portfolios
Ten domains or three hundred, for yourself or for clients — the tools to work through them without opening each one.
Find any domain in seconds
Search, then filter by extension, expiry window or registrar — or by what a domain is missing: No DNSSEC, No CAA, No SPF, No DMARC. Click a filter twice to exclude it instead, so “every domain except this client’s” is two clicks. Sort by any column, and the whole view lives in the URL so you can send it to a colleague.
Your data stays yours
Export DNS records as CSV or as a zone file you can paste straight into a provider. Export your change history, or the exact list your filters are showing. Download your whole setup — domains, groups and labels — as a single file and restore it whenever you like. You paid once; nothing here is held hostage.
Organise it your way
Label domains with your own words — Customer: Acme Corp, Priority: High, Region: EMEA. A label is defined once and reused, so one rename fixes it everywhere. Tick several domains and label them in one go, then filter on it.
Alerts you can trust
Send a test through any channel — email, Slack, Discord, webhook — and see the result immediately. If it fails you get the channel’s own error, not a shrug, so a bad URL takes a minute to find. Confirm it works before you need it to.
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 re-checks your domains every 15 minutes on the Lifetime plan, hourly on Free, 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.
Free
A real monitor for a few domains
- 3 domains
- Every DNS record type, checked hourly
- DNS health score and grade
- DNSSEC, CAA, SPF, DKIM and DMARC checks
- WHOIS and expiry tracking
- Email alerts, testable in one click
- Sort, search and see your registrars
- 30 days of change history
- Two-factor authentication
Lifetime
Pay once. No renewal, ever.
- Everything in Free, plus:
- Unlimited domains, checked every 15 minutes
- Slack, Discord and webhook alerts
- Your own labels, on any number of domains
- Filter by what's missing — and by what isn't
- Unlimited change history, and search across it
- CSV and TXT exports of anything on screen
- Back up and restore your whole setup
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 hourly 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.