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Email Tools
Email Authentication & Deliverability Tools
Validate SPF, DMARC, DKIM, MX, SMTP, and compliance signals with dedicated pages and shareable diagnostics.
MX Record Lookup
/mx-record-lookup
Check inbound email routing and MX priorities.
Blacklist Check
/blacklist-check
Check domain or IP against common DNS-based blacklists.
SMTP Test
/smtp-test
Diagnose email sending issues and common ports.
SPF Record Checker
/spf-checker
Validate your SPF TXT record and lookup limits.
DKIM Checker
/dkim-checker
Verify DKIM selector and public key record.
DMARC Checker
/dmarc-checker
Validate DMARC policy, alignment and reporting.
BIMI Lookup
/bimi-lookup
Lookup BIMI DNS records for brand logo indicators.
MTA-STS Lookup
/mta-sts-lookup
Check MTA-STS DNS TXT record and policy presence.
Email Health Report
/email-health-report
Run combined email auth and routing checks in one report.
Email Header Analyzer
/email-header-analyzer
Analyze raw email headers for routing and auth signals.
DMARC Report Analyzer
/dmarc-report-analyzer
Parse and summarize DMARC aggregate XML reports.
Email Deliverability Report
/email-deliverability-report
Assess inbox readiness and sender reputation signals.
Google/Yahoo Compliance Checker
/google-yahoo-compliance-checker
Check domain alignment with modern bulk sender requirements.
Microsoft Compliance Checker
/microsoft-compliance-checker
Check Microsoft-focused email authentication and policy signals.
More
Looking for something else? Browse the All Tools directory.