Subdomain Discovery

Subdomain Enumeration

Discover email-related subdomains and infrastructure for any domain.

Domain Name

Quick check:

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

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SLA

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