MailCheck

Email fingerprinting & analysis service

Analyze any email sender
Send an email to a unique address and get a detailed fingerprint report of the sending server.
◆ TCP/IP & TLS fingerprint
◆ SPF / DKIM / DMARC validation
◆ MTA & mail client detection
◆ DNS leak analysis
API Access
Programmatic access to email fingerprinting. Create traces, poll status, and fetch reports via JSON API.
POST /api/trace — create a new trace
GET  /api/status/{id} — poll for results
GET  /api/report/{id} — fetch JSON report
View full API documentation →