What is an SPF record?

SPF (Sender Policy Framework) record is a DNS TXT record that specifies which mail servers are authorized to send email on behalf of a domain. It helps prevent spammers from forging your domain.

When a mail server receives an email, it queries the sender domain's SPF record to check if the sending server's IP is in the allowed list. If it matches, the email passes; if not, it may be rejected or marked as spam.

What are common SPF issues?

Common issues include: 1) Missing SPF record; 2) DNS lookups exceeding the 10-query limit; 3) Using ~all (softfail) instead of -all (hard fail); 4) Not including all legitimate sending sources; 5) Having multiple SPF records.

🛡️ SPF Record Checker

Online SPF record lookup, verify email sending policies, detect configuration issues

❓ Frequently Asked Questions

Is my data safe when using SPF Record Checker?

Absolutely. Everything runs locally: the domain name you enter is processed on your device, never sent to a server. Your information stays completely under your control.

Does SPF Record Checker upload my data to a server?

No. SPF Record Checker uses DNS over HTTPS — your browser queries public DNS directly. The tool itself does not store or transmit your data.

Can I use SPF Record Checker on my phone?

Yes. SPF Record Checker is fully responsive and works on phones, tablets, and desktops.

Are there any usage limits?

No limits — it's free and unlimited. Processing is done via DNS over HTTPS.