Multi-Database Reputation Engine • Zero-Data Retention

Domain Reputation & DMARC Analyzer

Audit email deliverability, spoofing protection, DNSBL blocklists (Spamhaus DBL, URIBL, SURBL), RFC 7489 / 7208 compliance, and domain age in real time.

Optional Selector:
Try sample: paypal.com google.com microsoft.com dbltest.com (Blacklisted)

Analyzing Domain Health...

Connecting to authoritative DNS and reputation databases...

Zero-Data Retention Architecture

Dmarckly is built as a privacy-first, public security auditing tool. All DNS evaluations, SPF / DMARC analyses, and DNSBL reputation checks occur purely in-memory during your active visit.

Zero Database Logs No audited domain names, mail servers, or IPs are saved into any database.
Auto-Purge on Exit Closing your browser window or tab immediately and irreversibly destroys session data.
PDF Report Retention If you need permanent records, use the Print / Export to PDF button prior to exiting.