Free SPF Tool
Free SPF Checker & Validator
Look up your domain's SPF record or paste one to validate syntax — no account required.
- Detect SPF syntax errors and excessive DNS lookups
- Validate any raw SPF record against RFC 7208
- 3 lookups per day — no login needed
Why SPF?
Control who sends email for your domain.
SPF prevents spammers from forging your domain in the From address.
Prevent Spoofing
Authorize specific mail servers to send email on your behalf.
Improve Deliverability
Email providers penalize domains without SPF, causing spam placement.
Quick to Implement
A single TXT record significantly boosts email security.
Go beyond one-off scans
Fix issues before they affect customers
Get automated monitoring, real-time alerts, and continuous scanning.
Free Account
- Copy-paste DNS fixes
- Daily automated scans
- Real-time alerts
- Full security audit
Deliverability
Full monitoring
- Copy-paste DNS fixes
- Daily automated scans
- Real-time alerts
- Full security audit
Free forever plan available · Paid plans from $49/mo