Email Checker - Test Email Authentication & Deliverability | MailSentinel

Loading Email Checker...

Enterprise-grade DMARC monitoring and email authentication platform. Protect your domain from phishing, spoofing, and email fraud.

support@mailsentinel.io

Product

DMARC Monitoring
SPF Validation
DKIM Verification
Email Authentication
Dashboard Overview
Alerts & Notifications
Free Tools

Free Tools

Domain Health Check
SPF Record Generator
DMARC Record Generator
DKIM Selector Finder
Email Header Analyzer
DNS Lookup
Blacklist Checker
All Free Tools

Resources

Documentation
Blog
Getting Started Guide
DMARC Setup Guide
SPF Setup Guide
Cold Email Guide
API Reference

Compare

vs Dmarcian
vs EasyDMARC
vs Valimail
vs Postmark
vs Agari
vs PowerDMARC
All Alternatives

Company

Careers
Privacy Policy
Terms of Service
Security
Acceptable Use
SLA

🔒SOC 2 Type II

🇪🇺GDPR Compliant

✓ISO 27001

⚡99.9% Uptime SLA

Stay updated:

© 2025 MailSentinel. All rights reserved.•Privacy•Terms•Cookies•Sitemap

All systems operational