DKIM Generator Tool

Generate secure DKIM key pairs and DNS records for email authentication

Key Generation
DKIM Records
Browser-Based
What is DKIM?

DKIM (DomainKeys Identified Mail) is an email authentication method that uses cryptographic signatures to verify that emails were sent by authorized senders and haven't been tampered with in transit.

Generate DKIM Keys

Enter your domain and selector to generate a secure DKIM public/private key pair and the corresponding DNS TXT record. All operations are performed in your browser - no data is sent to any server.

Tool Features

Comprehensive DKIM key generation with secure browser-based processing

Key Pair Generation

Generate secure RSA public/private key pairs with customizable key lengths (1024-4096 bits)

DKIM Record Creation

Automatically create DNS TXT records ready for publication in your DNS zone

Browser-Based Security

All key generation happens locally in your browser - no data sent to servers

Email Authentication

Strengthen email security and prevent spoofing with DKIM signatures