Email Security & Deliverability Audit API
One API call, 13 checks. Audit SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI, blacklists, and more — with a numeric score, letter grade, and plain-language deliverability verdict.
Built for teams that manage email security
MSP & Enterprise Audits
Audit customer domains at scale. Run bulk checks across your client portfolio and surface misconfigurations before they become incidents.
SaaS Onboarding Validation
Automatically validate customer email posture. Verify SPF, DKIM, and DMARC during onboarding to ensure deliverability from day one.
Security Monitoring
Detect spoofing exposure and configuration drift. Schedule periodic audits and alert when domain protection degrades.
Full Domain Audit & Scoring
Audit any domain with a single request. Get a 0-100 security score, A-F letter grade, and a deliverability verdict (READY / CAUTION / BLOCKED) — powered by live DNS lookups with TTL-aware caching.
- SPF, DKIM, DMARC, DNSSEC, MX
- Transparent point breakdown
- Bulk audit up to 10 domains
- Fresh lookups, no stale data
Beyond the Basics
Go further than SPF/DKIM/DMARC. Check MTA-STS enforcement, TLS-RPT reporting, BIMI brand logos, Spamhaus blacklist status, disposable domain detection, and email validation — all from one API.
- MTA-STS & TLS-RPT checks
- BIMI logo & VMC detection
- Spamhaus DBL & ZEN blacklist
- 100k+ disposable domain list