SPF Lookup Tool
Understanding Your SPF Lookup Results
Includes and Lookup Count
Invalid or Too Permissive SPF
About This Tool
What Is an SPF Lookup?
An SPF Lookup is a tool that retrieves the Sender Policy Framework (SPF) record published in a domain's DNS. An SPF record lists the mail servers and IP addresses that are authorized to send emails on behalf of a domain. Checking the SPF record helps verify that your email authentication is configured correctly and supports reliable email delivery.
Why Check an SPF Record?
Checking your SPF record helps confirm that only authorized mail servers can send emails using your domain. A properly configured SPF record reduces the risk of email spoofing, improves email deliverability, and helps receiving mail servers verify legitimate messages. Regular SPF checks also make it easier to identify configuration issues before they affect email communication.
What Information Does This Tool Show?
Our SPF Lookup Tool retrieves the published SPF record and displays important information, including:SPF record valueAuthorized IP addressesIncluded mail servicesRecord syntaxLookup mechanismsSPF policy (-all, ~all, or ?all)DNS lookup statusThis information helps you review your SPF configuration and identify potential issues.
Who Can Use an SPF Lookup Tool?
This tool is useful for website owners, email administrators, developers, IT professionals, and businesses that send emails using a custom domain. Whether you're setting up business email, troubleshooting delivery issues, or reviewing your DNS configuration, an SPF lookup provides a quick way to verify your domain's SPF record.
Best Practices for SPF Records
Keep only one SPF record for your domain and review it whenever you add or change an email service provider. Remove outdated entries that are no longer needed and monitor your configuration regularly to maintain reliable email authentication. Combining SPF with DKIM and DMARC provides stronger protection against email spoofing.
Why It Matters
Improve email authentication
Confirm that your legitimate sending services are included in the SPF policy.
Reduce spoofing risk
A clear SPF record helps receiving servers evaluate whether mail is authorized.
Catch syntax problems
Spot missing records, duplicate SPF entries, or unsafe mechanisms.
Support deliverability audits
Use SPF checks alongside DKIM and DMARC when reviewing domain email health.
How To Improve
Check the current SPF record
Include only approved senders
Avoid multiple SPF records
Choose a safe all mechanism
Frequently Asked Questions
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