Managed Infrastructure & Autonomous Policy Enforcement

Hosted Edge Security & Strict ISP Compliance

Eliminate static DNS text record limits, manual key management, and inbox logo friction. Sledgeheader hosts dynamic DNS targets at the edge while streaming telemetry straight into BigQuery.

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Dynamic Tree Flattening

SledgeSPF

100% RFC 7208 Compliant

Integrating vendor services like SendGrid, Salesforce, Google Workspace, and Mailchimp pushes domain DNS lookups past the RFC 7208 10-lookup threshold. Sledgeheader flattens these lookups dynamically at the Cloudflare edge.

Target Zone Configuration
example.com. IN TXT "v=spf1 include:_spf.sledgeheader.com ~all"
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Delegated Policy Router

SledgeDMARC

BigQuery RUA Analytics

Delegate DMARC policy enforcement to Sledgeheader via a single CNAME alias. Automatically ingest and parse aggregate XML RUA reports into BigQuery.

Target Zone Delegation CNAME
_dmarc.example.com. IN CNAME example.com._dmarc.sledgeheader.com
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Universal Selector Manager

SledgeDKIM

2048-Bit Key Rotation

Map vendor DKIM selectors (Google Workspace, Microsoft 365, SendGrid) to Sledgeheader's hosted selector endpoints with strict domain alignment verification.

Target Selector CNAME Mapping
s1._domainkey.example.com. IN CNAME s1.google._dkim.sledgeheader.com
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Brand Logo & VMC Manager

SledgeBIMI

SVG Tiny-PS Validated

Render official brand logos directly inside recipient inboxes across Gmail and Yahoo. SledgeBIMI validates SVG Tiny-PS compliance, verifies DMARC enforcement, and hosts BIMI TXT pointers.

Target BIMI Record
default._bimi.example.com. IN TXT "v=BIMI1; l=https://example.com/logo.svg; a="
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Transit TLS & Failure Reporter

SledgeMTA-STS

Hosted STSv1 Policy

Enforce TLS transport encryption for inbound email servers and automatically ingest TLS-RPT failure telemetry into BigQuery to prevent man-in-the-middle attacks.

Hosted HTTPS Policy Location
Policy URL: https://mta-sts.example.com/.well-known/mta-sts.txt

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