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Generate DKIM keys and DNS records for email authentication. Create cryptographic signatures to secure your email delivery.
Select your email provider for specific instructions
Unique identifier for this DKIM key (letters, numbers, hyphens only)
Validate existing DKIM records and signatures.
Create SPF records for email sender authorization.
Complete domain authentication analysis.
Validate SPF records and sender policies.
Test email content for spam triggers.
Calculate optimal mailbox setup for campaigns.
DKIM key generation creates the cryptographic foundation for email authentication. Proper key management and DNS configuration are essential for email security.
Use 2048-bit keys minimum
1024-bit keys are deprecated and no longer secure.
Rotate keys regularly
Replace keys every 6-12 months for optimal security.
Test before deployment
Use testing mode to validate configuration first.
Use descriptive selectors
Choose selectors that identify the service or purpose.
Monitor DNS propagation
Allow time for DNS changes to propagate globally.
Handle long records properly
Split records over 255 characters into multiple strings.
InboxKit handles DKIM setup, key rotation, and monitoring across all your email services
