DNS & Email Trust
medium Severity
Free Check

SPF Record Validation

Validates that your domain publishes an active Sender Policy Framework (SPF) record to authorize legitimate outbound mail servers.

Test Your Website for SPF Record Validation

Run this check along with 90+ automated tests across your domain.

Why It Matters

Without SPF, spammers can send forged phishing emails appearing to originate directly from your company domain.

How We Check This

We query DNS TXT records for v=spf1 declarations and inspect include directives.

How to Fix & Implement

Copy-paste configuration blocks tailored for your web server or edge proxy.

nginx snippet
# DNS TXT Record at root apex:
v=spf1 include:_spf.google.com ~all

Frequently Asked Questions

What happens if I have multiple SPF records?

Having multiple SPF records is invalid according to RFC 7208 and causes mail servers to reject all emails.