All utilities
Email DNS
DMARC & DKIM lookup
Fetch DMARC and DKIM TXT records for a domain.
About this tool
Check DMARC and DKIM records online to verify email authentication setup before rollout. This DMARC DKIM checker highlights policy gaps that can lead to spoofing, phishing abuse, or mailbox distrust.
Use it during domain onboarding, ESP migration, or security audits to confirm alignment and signature readiness. Reliable authentication improves sender reputation and supports higher inbox placement.
Need this at scale? Explore the Email Validation API
Frequently asked questions
- Why check DMARC and DKIM together?
- DMARC enforcement depends on alignment, and DKIM is one of the core authentication channels that alignment relies on.
- When should I validate DMARC DKIM records?
- Validate after DNS updates, before campaign launches, and during any provider or infrastructure migration.
- Can this tool improve phishing resistance?
- Yes, identifying weak policy or signing configuration helps close authentication gaps that attackers exploit.