Free Email Security Scanner - Check SPF, DMARC & DKIM Records
Instantly scan your domain's email security. Check MX, SPF, DKIM, DMARC, MTA-STS, TLS-RPT records and blacklist status in one click. Get copy-ready DNS fixes, improve email deliverability, and prevent spoofing. Free email authentication checker.
- • Free plan
- • No credit card required
- • Privacy-first
Trusted by teams improving email deliverability and security.
Why teams use MXScan
Outcomes over features — get results that matter.
Instant DNS audit
MX, SPF, DKIM, DMARC, TLS-RPT, MTA-STS analyzed with one click
Blacklist checks
IP/domain RBL status + clear delist instructions
Copy-ready fixes
Valid DNS records pre-built (TXT/MX) for your provider
Scheduled monitoring
Weekly/daily checks and alerts when something breaks
How it works
Simple 3-step process to secure your email.
Enter your domain
We run 20+ security checks instantly
Fix with guided steps
Copy-paste DNS records or delist via direct links
Stay compliant
Turn on monitoring to prevent future deliverability issues
See the scan/results UI in action:
Live results preview
See exactly what you'll get with every scan
Real scan results
Start free — upgrade when you need
No credit card required. Scale as your team grows.
Free
- 1 domain
- Manual scans
Premium
- 10 domains
- Monitoring
Ultra
- 50 domains
- Team features
FAQ
Answers to common questions.
Do you modify my DNS?
No, we only analyze your existing records and generate copy-ready DNS entries for you to implement yourself.
What's a DNS Fix Pack?
A copy-ready set of DNS entries with host, type, TTL, and value to quickly fix issues we find.
Do you store my DNS?
We store only what's needed to show results and history in your account. See Privacy for details.
How accurate is blacklist monitoring?
We check major RBLs and provide removal links. Accuracy depends on each list's update cadence.
What's the difference vs MXToolbox?
We provide guided, copy-ready fixes with step-by-step instructions, plus ongoing monitoring and alerts to prevent future issues.
Can I schedule monitoring?
Yes, Premium and Ultra plans include scheduled scans with email alerts when issues are detected.