Email & Deliverability
Email header analysis, SPF/DMARC generators, blacklist checks and SMTP tests.
8 tools available
Email Header Analyzer
Paste raw email headers and get a full breakdown of routing, authentication and delays.
SPF Record Generator
Build a valid SPF TXT record for your domain using a simple guided form.
DMARC Record Generator
Generate a properly formatted DMARC policy record for your domain.
DKIM Helper
Understand DKIM setup, generate DKIM key pairs and get guidance for your DNS records.
MX Health Summary
Run a full email health check — MX, SPF, DMARC, DKIM and blacklist status in one view.
SMTP Connectivity Test
Test SMTP connectivity and optional AUTH login to a mail server on ports 25, 465, 587 or 2525.
Blacklist Checker
Check if a domain or IP address is listed on major email blacklists and spam databases.
DMARC Report Parser
Parse DMARC aggregate report XML files and get a breakdown of SPF, DKIM and DMARC results.