Deliverability Checker

$9.99

Python tool to check SPF, DKIM, and DMARC records and diagnose deliverability issues. Stop guessing why your emails land in spam — get a full diagnostic report with actionable fixes.

• SPF record validation with include/redirect chain resolution
• DKIM selector discovery and record verification
• DMARC policy analysis with alignment checking
• MX record validation and server responsiveness check
• Blacklist checking against common DNS blocklists
• Actionable fix suggestions for every issue found
• Bulk domain checking from file input
• JSON report output for CI/CD integration

# Check a single domain
python deliverability_checker.py --domain example.com

# Check multiple domains from file
python deliverability_checker.py --file domains.txt --output report.json

# Check specific records only
python deliverability_checker.py --domain example.com --checks spf,dkim,dmarc