Free DKIM Record Builder
Format cryptographic DomainKeys Identified Mail (DKIM) TXT records for your DNS server.
DKIM Record Builder & Selector Helper
Construct a valid DKIM TXT record for your domain's email selector (e.g. Google Workspace, Microsoft 365, Mailchimp).
DNS TXT HOST / NAME: google._domainkey
v=DKIM1; k=rsa; p=YOUR_PUBLIC_KEY_HERE
What is DKIM?
DKIM adds a digital cryptographic signature to outgoing messages. Receiving email servers use your published public key to verify that the message content was not tampered with in transit.