Tools
  • Home
  • Mail
    • SPF/DKIM/DMARC test (browser)
    • Echo Mail (SMTP)
    • SMTP RCPT
    • Header analysis
    • Blacklist check
    • SMTP diagnostics
  • DNS
    • DNS lookup
    • PTR
    • Subdomains
    • AS lookup
    • Secure DNS
    • Ping
    • Traceroute
  • WHOIS
    • Domain
    • IP / RDAP
    • GeoIP
    • IP blocks (country)
  • Certificates
    • TLS at endpoint
    • Analyze PEM
    • Convert formats
    • Generate (OpenSSL)
  • Tools
    • Base64
    • Password
    • Hashes (MD5/SHA…)
    • Port check
    • Public IP
    • Format code
    • Docker ↔ Compose

Mail tools

SMTP, header, and blacklist tools plus Echo Mail — same as the home dashboard.

SPF/DKIM/DMARC testOne-shot address · browser
SMTP RCPTMX · RCPT · 587/465
Header analysisFields & hints
Blacklist checkDNSBL/RHSBL
SMTP diagnosticsTLS, relay
Echo Mail (SMTP)Classic flow

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