Format a DKIM DNS TXT record from your public key. Supports custom selectors, hash algorithms, and service types.
e.g. default, google, mail, k1
Paste the PEM block — header/footer/newlines auto-stripped.
Host: default._domainkey.<your-domain>
Type: TXT
Value: v=DKIM1; p=<your-public-key-base64>v=DKIM1; p=<your-public-key-base64>