A better whois and domain intelligence toolkit

Command line utility and a Node.js library for email authentication

DMARC & SMTP-TLS Reports processor and visualizer and BIMI file hoster

A PowerShell module to test and explain all facets of a domain's email records.

DNS security audit tool — analyze DMARC, SPF, DKIM, MX, MTA-STS, TLS-RPT, BIMI, DNSSEC, and DMARC DNS Tree Walk per dmarcbis.

CLI tool for SVG Tiny P/S (Portable and Secure) conversion

A .NET library providing utilities for mail such as DKIM, SPF,MX and DMARC.

SVG (Portable and Secure) converter for BIMI compliance.

Resolve BIMI DNS TXT records and fetch the brand logo URL for an email domain.

Explore BIMI logos from around the internet

Email Deliverability and DNS Records Checker

Unofficial Cloudflare DNS/email-auth MCP server for AI agents: DMARC, SPF, BIMI, Email Routing, Wrangler, safe DNS fixes.

DNS email security analyzer — DMARC, SPF, DKIM, BIMI & MTA-STS. Cloudflare Worker with JSON API and interactive HTML report.

MCP server for IntoDNS.ai — free DNS, DMARC, SPF, DKIM, BIMI, MTA-STS, DNSSEC & email security checks for Claude, Cursor, ChatGPT and other AI agents. No API key required.

Mark Verifying Authority (MVA) Root Certificate Store

Free, open-source tools to set up, validate, and understand BIMI.

bimi-svg-worker

Rust email authentication library: SPF (RFC 7208), DKIM (RFC 6376), DMARC (RFC 7489), ARC (RFC 8617), BIMI

Public assets, brand/press kit, and .well-known/* endpoints for FINULIO

Lint or sanitize untrusted SVG in pure Ruby, catch scripts, XSS, XXE, external references, and render bombs before you render or embed it