SPF & DMARC Email Security Tools

Check your domain's email authentication records or generate new ones to prevent spoofing and ensure delivery.

Does your server send email? (a)

Do your MX records send email? (mx)

Any other IPs that send email? (IPv4)

Any third-party services? (include)

How strict should SPF be? (all)

v=spf1 a mx ~all

Add this as a TXT record to your root domain (@).

Policy (p=)

Subdomain Policy (sp=)

Aggregate Reports Email (rua=)

Percentage of emails to apply policy (pct=)

v=DMARC1; p=none; pct=100;

Add this as a TXT record to the host _dmarc

Email Security Tools (SPF & DMARC)