Zero-Setup DMARC Monitoring & Telemetry

Stop Email Spoofing.
Zero Friction. Instant Magic Login.

Simply add our ingestion address to your DNS rua record. No upfront registration, no passwords, and no credit card required.

Instant Domain Access

Enter your company email to verify ownership and immediately view your DMARC health.

Want to test without a live domain?
Your Ingestion DNS Record (Add to _dmarc.yourdomain.com):
v=DMARC1; p=none; rua=mailto:reports@dmarcsink.com;
How DMARCSink Works

Complete Email Authentication Telemetry

Protect your domain reputation, eliminate unauthorized spoofing, and safely enforce strict email security policies without disrupting legitimate transactional messages.

01 // IngestionRFC 7489 RUA

Zero-Setup Report Ingestion

Simply publish our report address in your DNS rua record. Global mailbox providers automatically dispatch daily aggregate authentication reports with zero disruption to your existing email routing.

Mail Flow Impact:Zero (Reporting Only)
Provider Compatibility:Google, Microsoft, Yahoo
02 // VerificationSPF & DKIM AUDIT

Automated Sender Inventory

Inbound traffic is audited for SPF and DKIM alignment. Legitimate vendors (Google Workspace, Microsoft 365, SendGrid) are confirmed, misconfigured senders receive instant fix advice, and spoofing sources are isolated.

Traffic Classification:Passing, Misconfigured, Spoofed
Remediation Guidance:Actionable DNS Fixes
03 // Enforcementp=reject ROADMAP

Safe Policy Progression

Safely transition your DMARC policy from monitoring (p=none) to quarantine (p=quarantine) and full rejection (p=reject) with confidence that no legitimate email will be lost.

Policy Roadmap:p=none → p=quarantine → p=reject
Ownership Governance:Continuous DNS TXT Control

Unclaimed Mode vs Claimed Mode

CapabilityUnclaimed Mode (Default)Claimed Mode (Verified via DNS)
Access ControlOpen read-only to anyone with verified @domain emailLocked down to invited team members & owner
Telemetry RetentionRolling 7-day window365-day historical telemetry
Alerts & NotificationsLockedCustom Slack webhooks & email digests
Policy Progression GuidePreview onlyInteractive roadmap for p=none to p=reject