Saved locally in your browser only.
Filter by type
No saved results yet. Run the tool to capture output here.
Create an RSA key pair and the TXT record value to add at your DNS. Optionally choose your provider for suggested settings and setup steps.
Provider-specific steps and official documentation links.
The private key stays on your mail server or sending service. Never publish it in DNS. Only the public key (in the TXT record) is published.
2048 bits is recommended. 1024 is legacy and weak; 4096 is stronger but larger and not always needed.