Free tool · In your browser
Free DKIM Generator
Generate a DKIM key pair and the exact DNS record to publish. The key is created locally in your browser — the private key never leaves your device.
Keys are generated in your browser with the Web Crypto API. Nothing is sent to or stored on our servers.
Skip the DNS wrangling
utobo Email generates and manages DKIM for your domain automatically — plus SPF, DMARC and a custom sending domain.