Quick Examples:
Join 50,000+ companies protecting their domains from email spoofing, phishing, and deliverability issues with real-time DKIM, SPF, and DMARC validation.
✅ DKIM/SPF/DMARC • ✅ Anti-spoofing • ✅ Deliverability insights • ✅ 99.99% uptime SLA
🔐 Advanced DMARC Analysis
Deep DMARC policy validation with p=reject/quarantine enforcement detection. Analyze rua/ruf reporting configuration and policy alignment.
Full DMARC support📧 SPF Record Optimization
Comprehensive SPF validation with include-chain analysis. Detect SPF flattening issues and identify lookups that could exceed limits.
10-lookup limit check🔑 DKIM Key Discovery
Automated DKIM selector discovery and cryptographic signature validation. Support for multiple selectors per domain.
Multi-selector support📊 Deliverability Score
Calculate email authentication scores (A+ to F) based on DMARC, SPF, and DKIM configuration. Get actionable improvement recommendations.
A+ to F grading🚨 Real-time Monitoring
Continuous monitoring of email authentication records. Get instant alerts when records change or are deleted.
Instant alerts🌍 Multi-Domain Support
Check email authentication for multiple domains in a single API call. Perfect for domain portfolios and MSPs.
Bulk verification📈 Historical Tracking
Track changes to email authentication records over time. Identify when and how deliverability issues were introduced.
Full history🔍 BIMI Support
Brand Indicators for Message Identification validation. Check BIMI records and logo certificate verification (VMC).
BIMI ready⚡ Lightning Fast
Average 50ms response time for email authentication checks. Query millions of domains per hour with global infrastructure.
50ms response🎯 SPF Include Chain
Full SPF include chain expansion and validation. Detect circular references and identify third-party services included.
Full chain analysis🛡️ Phishing Detection
Identify domains susceptible to email spoofing and phishing attacks. Proactively protect your brand and customers.
Risk scoring🤝 Integration Ready
RESTful API with SDKs for all major languages. Simple JSON responses with comprehensive documentation and code examples.
Live in 5 minutes📄 Detailed Reports
Generate detailed email authentication reports for compliance and audits. Export findings in PDF or JSON format.
PDF & JSON export🔧 SMTP Testing
Combine with SMTP testing for complete email deliverability validation. Check authentication + actual email delivery.
Full testing suite💎 Professional API Platform
Production-ready email authentication infrastructure with enterprise-grade reliability. Professional plans starting at $29/month.
From $29/monthProfessional plans starting at $29/month with 99.99% uptime SLA
Trusted by thousands of developers worldwide
Email Security Lead
Financial Services Inc
"Reduced email spoofing incidents by 95% after implementing DMARC monitoring. The API integration took less than an hour."
DevOps Engineer
TechCorp
"SPF and DKIM validation caught misconfigurations we didnt know existed. Our email deliverability improved significantly."
Security Analyst
E-commerce Giant
"Real-time DMARC reporting helps us detect phishing attempts targeting our brand within minutes. Essential for security."
IT Director
Healthcare Provider
"HIPAA compliance requires proper email authentication. This API made it easy to monitor and enforce DMARC policies."
Marketing Operations
SaaS Platform
"Email deliverability improved by 40% after fixing authentication issues identified by the API. Worth every penny."
Security Architect
Enterprise Corp
"Bulk verification of thousands of domains takes minutes. The API performance and reliability are outstanding."
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