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sledgeheader.com
Next-Gen Email Infrastructure Security

Start swinging a bigger hammer at spoofed email.

Instantly parse complex DMARC reports, validate DKIM signatures, and repair broken DNS configurations before malicious actors exploit your domain reputation.

Sledgeheader Sledgehammer Crushing Spoofed Email
STATUS: INTERCEPTING SPOOFED PACKET
DKIM_VERIFIED
Core Diagnostic Engine

Granular Raw Header Inspector

Paste full raw email source headers to extract cryptographic signatures, routing chain hops, IP reputation flags, and actionable remediation steps.

Supports multi-hop RFC 5322 parsing.
Policy Builder

DMARC & SPF Protocol Engine

Generate airtight TXT records with strict quarantine and rejection policies.

Configure Enforcement Parameters

Generated TXT Record Output

Publish under _dmarc.yourdomain.com.

v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; sp=reject;
Live Interception Feed

Global Threat Intelligence

Real-time telemetry showing spoofed traffic intercepted across protected domains.

TIMESTAMP / VECTOR ATTACKER IP / ASN STATUS ACTION
2026-07-20 20:12:04 [DKIM Mismatch] 185.220.101.5 (Tor Node) DROPPED (REJECT)
2026-07-20 20:10:18 [SPF Failure] 45.154.255.88 (Hosting AS) QUARANTINED
2026-07-20 20:05:41 [DMARC Alignment Pass] 209.85.220.41 (Google Workspace) DELIVERED

Broken DNS Repairer

Run quick diagnostic scans to detect conflicting SPF records, missing CNAME targets, or syntax faults.