How to Monitor Your DNS Security Score for Free
Your DNS Configuration Can Break Without Warning
You spent time configuring SPF, DKIM, DMARC, and maybe even BIMI. Everything checks out. You move on to other work. Three months later, someone changes a DNS record, a certificate expires, or a third-party sender gets added without updating SPF — and your emails start landing in spam.
The problem isn't the initial setup. It's the drift. DNS configurations change over time, and without monitoring, you won't know something broke until your customers stop receiving your emails.
Free DNS Monitoring with IntoDNS.AI
IntoDNS.AI offers a free monitoring dashboard where you can track your domain's DNS and email security score over time. Here's what you get with a free account:
- Multiple domains — monitor all your domains from one dashboard
- Automated scans — your domains are scanned regularly without manual intervention
- Score tracking — see your security score and how it changes over time
- Alerts — get notified when something breaks or your score drops
- Webhooks — integrate monitoring into your DevOps pipeline
Setting Up Your Free Monitor
Step 1: Create Your Account
Sign up at intodns.ai using Google OAuth — no password to remember, no email verification needed. You're in the dashboard in seconds.
Step 2: Add Your Domains
Click "Add Domain" and enter your domain name. IntoDNS.AI runs an immediate scan covering 50+ security checks:
- DNS records — A, AAAA, MX, NS, SOA, TXT, CAA
- Email authentication — SPF, DKIM, DMARC validation
- Advanced standards — MTA-STS, BIMI, DANE/TLSA
- Security — DNSSEC, blacklist checks, TLS configuration
- IPv6 — dual-stack readiness for mail and web
Step 3: Enable Monitoring
Once added, your domain is automatically monitored. Each scan generates a security score from 0 to 100. You can see at a glance which domains need attention and which are fully secured.
What Gets Monitored
Here's what the monitoring catches that manual checks miss:
| Scenario | What Happens | What You See |
|---|---|---|
| SPF record accidentally deleted | Emails fail authentication | Score drops, alert fires |
| DKIM key rotated without DNS update | DKIM verification fails | Score drops, DKIM check fails |
| DMARC changed from reject to none | Domain loses spoofing protection | Score drops, DMARC policy warning |
| MX record points to decommissioned server | Mail delivery fails silently | MX check fails, alert fires |
| Domain added to blacklist | Emails rejected by major providers | Blacklist alert |
| SSL certificate expires on mail server | TLS enforcement fails | TLS check fails |
Alerts and Notifications
The dashboard includes an alerts system that notifies you when:
- Your security score drops below a threshold
- A critical check fails (SPF, DKIM, DMARC)
- Your domain appears on a blacklist
- A DNS record changes unexpectedly
You can configure alerts per domain and choose how you want to be notified.
Webhook Integration for DevOps
For teams that want to integrate DNS monitoring into their CI/CD pipeline, IntoDNS.AI provides webhook support. Trigger automated responses when a domain's security posture changes — roll back DNS changes, page the on-call engineer, or log the event to your monitoring stack.
This is especially useful for organizations managing dozens of domains where manual monitoring isn't feasible. Learn more on our developers page.
What Makes a Good DNS Security Score?
IntoDNS.AI scores domains on a 0-100 scale. Here's what the ranges mean:
- 90-100: Excellent — all critical checks pass, advanced standards implemented
- 70-89: Good — core authentication in place, some improvements possible
- 50-69: Needs Work — missing important records or misconfiguration
- Below 50: Critical — significant gaps in email authentication or DNS security
Most domains start between 40-60 before optimization. With the right configuration — SPF, DMARC, DKIM, and MTA-STS — reaching 90+ is achievable for any domain.
Start Monitoring Now
DNS monitoring shouldn't be an afterthought. A free IntoDNS.AI account takes 30 seconds to set up and gives you ongoing visibility into your domain's security posture. You'll catch problems before your customers do.
Continue Reading
- How to Set Up BIMI for Custom Domain Email Avatars
- DNS Webhook Monitoring: Automate Security Alerts in Your DevOps Pipeline
- Free Email Security Test — verify your email authentication with a live test
- Free Blacklist Check — check if your domain is on any email blacklists
- SPF Setup Guide | DMARC Setup Guide | BIMI Setup Guide
- Free SPF Generator | Free DMARC Generator | Free MTA-STS Generator