Test your DKIM records instantly
Verify your DKIM keys are valid and monitor for changes that could break email authentication.
Having trouble finding the right selector? Learn how to find yours.
Instant DKIM Lookup
Check any domain's DKIM record in seconds. See the full DNS response and parsed results.
Key Validation
Verify your DKIM keys are properly formatted and valid for email signing.
Selector Testing
Test multiple DKIM selectors to ensure all your signing keys are configured correctly.
Change Alerts
Get notified when your DKIM records change so you can catch misconfigurations early.
Multiple Selector Support
Monitor multiple DKIM selectors across all your sending services and domains.
Dashboard Overview
Monitor all your domains' DKIM records from a single dashboard.
Free DKIM Tester. Paid Monitoring.
Test any domain instantly for free. Monitor your domains in full with Email Deliverability Suite.
DKIM Tester
- Unlimited DKIM lookups
- Key validation
- Selector testing
- Shareable results
Email Deliverability
- Up to 3 domains
- Daily checks
- SPF, DKIM, DMARC, MX monitoring
- Blacklist monitoring
- Email alerts
Email Deliverability Pro
- Unlimited domains
- Up to 5 co-recipients
- Custom check timing
- On-demand manual checks
- Bulk CSV import
Stop email deliverability issues before they start
Monitor your DKIM records and get alerts when something breaks.