Email Authentication

SPF Record Generator

Build a valid Sender Policy Framework record for your domain. Add trusted email providers and custom mechanisms, then generate a ready-to-publish DNS TXT value with live lookup validation.

SPF Lookup Raw Checker

1 General Settings

Quick Add Services

Custom Mechanisms

Add individual IPs, includes, or A/MX records here to authorize additional senders.

Ready to Build?

Use the configuration panel to add common email services or custom IPs, then generate your SPF policy.

Auth Check Anti-Spam