SPF Record Generator

Use our free SPF Record Generator tool to secure your domain. By listing all the sending sources authorized to send email from your domain, you can block email spoofing attempts from outsiders. Generate your unique SPF record, publish it on your DNS, and you’re all set!

Use this tool to generate your SPF record.

Authorize servers listed in your domain's MX records mechanism-mx

Yes No

Authorize servers listed in your domain's A records mechanism-a

Yes No

IPv4 addresses Please enter a valid IPv4 addresses. If you have multiple IPv4 addresses, please separate them using a space

IPv6 addresses Please enter a valid IPv6 addresses. If you have multiple IPv6 addresses, please separate them using a space

Authorize servers listed in another domain's MX records mechanism-mx-domain.com Please enter a valid domain name, without the http:// prefix. If you have multiple domain names, please separate them using a space

Authorize servers listed in another domain's A records mechanism-a-domain.com Please enter a valid domain name, without the http:// prefix. If you have multiple domain names, please separate them using a space

Authorize domains or 3rd party services that send emails on behalf of this domain. mechanism-include Please enter a valid domain name, without the http:// prefix. If you have multiple domain names, please separate them using a space

Authorize domains or 3rd party senders using the “exists” mechanism mechanism-exists Please enter a valid domain name, without the http:// prefix. If you have multiple domain names, please separate them using a space

How strict should the servers treating the emails be?