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DmarcLockRFC 7489
Email Authentication & Enforcement

RFC 7489 authentication monitoring, automated spoof detection, and domain protection for modern engineering teams.

Product

  • Live DMARC Scanner
  • SPF Flattener Tool
  • Inbox Placement Tester
  • MSP Partner Program
  • Pricing & Plans
  • Product Architecture

Compare & Guides

  • vs. EasyDMARC
  • vs. QuickDMARC
  • RFC 7489 Playbook
  • SPF 10-Lookup Guide
  • DMARC XML Telemetry

Engineering

  • Security Guides
  • Guided Pilot & Audit
  • Ingestion Wizard
  • API Documentation
  • RFC 7489 Spec

Company

  • About DmarcLock
  • Brand & Assets
  • Trust & Security
  • Data Processing (DPA)
  • Privacy Policy
  • Terms of Service

© 2026 DmarcLock. All rights reserved.

Privacy·Terms· Built to RFC 7489 Specifications
DmarcLock vs. QuickDMARC

Autonomous DMARC Control Plane vs. Passive Report Dashboards

QuickDMARC acts as a passive report viewer. DmarcLock operates as an active, autonomous engineering control plane that eliminates the RFC 7208 SPF lookup limit, gates policy transitions with mathematical safety, and integrates into modern DevOps workflows.

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3 Reasons Engineering Teams Choose DmarcLock over QuickDMARC

Moving to p=reject is dangerous without mathematical validation. Here is how DmarcLock solves what static viewers cannot.

Autonomous SPF Flattening (RFC 7208)

QuickDMARC alerts you when you exceed 10 DNS lookups, leaving you to manually edit TXT records. DmarcLock recursively traverses your entire vendor tree (Google, Sendgrid, Zendesk, Salesforce) and compiles CIDR netblocks automatically.

Deterministic Safe-to-Reject Gate

Never guess if it is safe to enforce p=reject. DmarcLock evaluates rolling 30-day aggregate XML streams and blocks enforcement until 100% of authentic outbound business email streams pass cryptographic alignment.

Developer-First Systems UI

No bloated neon dashboards or non-technical jargon. DmarcLock is built with the precision of Linear and Cloudflare, complete with Terraform configs, cURL commands, and a cryptographic DNS mutation audit ledger.

Technical Capability Matrix

Comparing automated engineering controls against passive report viewers.

CapabilityQuickDMARCDmarcLock
Core PhilosophyStatic XML Report ViewerAutonomous Engineering Control Plane
RFC 7208 SPF 10-Lookup OptimizationBasic DNS Lookup Check (No Dynamic Flattening)Autonomous Recursive CIDR Flattening with 1-Click Rollback
Safe-to-Reject TransitionManual checklist without mathematical validationDeterministic 3-Assertion Boolean Safety Gate
Assisted Deliverability Pre-FlightSelf-serve documentation and ticket support15-Min 1-on-1 screen share with email security engineer
Multi-Provider DNS AutomationManual copy-paste text recordsDirect API Auto-Sync (Cloudflare, Route 53, GoDaddy, Namecheap)
Forensic Inspector & Threat StreamAggregated daily summary chartsLive real-time forensic drawer with vendor spoofing detection
MSP Multi-Tenant PortfolioSingle-account focused with limited multi-tenancyWholesale flat from $49/mo (25 domains included) with multi-workspace rollup
Developer Experience & ToolingGeneric web dashboardLinear/Cloudflare caliber UI, Terraform, cURL, TypeScript SDK

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