FOUND
SPF Record Found
A visible SPF record means the domain has published sender authorization rules in DNS.
Free to use • No registration required
SPF Lookup Tool
Check SPF records and review which senders are authorized to send email for a domain.
Understanding Your SPF Lookup Results
SPF results show which mail servers are allowed to send email for a domain. This helps protect deliverability and reduce spoofing risk.
REVIEW
Includes and Lookup Count
Too many includes or DNS lookups can cause SPF failures, especially when multiple email tools are connected.
DELIVERABILITY RISK
Invalid or Too Permissive SPF
Broken syntax or overly broad rules can hurt authentication, spoofing protection, and inbox placement.
About This Tool
The SPF Lookup Tool checks the public Sender Policy Framework record for a domain. SPF is published as a DNS TXT record and lists the servers or services allowed to send email on behalf of the domain.
Use it to troubleshoot spam placement, sender verification failures, domain spoofing risks, and email platform migrations.
Why It Matters
1
Improve email authentication
Confirm that your legitimate sending services are included in the SPF policy.
2
Reduce spoofing risk
A clear SPF record helps receiving servers evaluate whether mail is authorized.
3
Catch syntax problems
Spot missing records, duplicate SPF entries, or unsafe mechanisms.
4
Support deliverability audits
Use SPF checks alongside DKIM and DMARC when reviewing domain email health.
How To Improve
1
Check the current SPF record
Enter the domain and review the TXT value beginning with v=spf1.
2
Include only approved senders
Add services that send mail for your domain and remove old platforms.
3
Avoid multiple SPF records
Use one combined SPF record instead of publishing several separate SPF TXT records.
4
Choose a safe all mechanism
Use provider guidance before setting -all, ~all, or other enforcement behavior.
Frequently Asked Questions
It is a DNS TXT record that lists servers and services authorized to send email for a domain.
It should not. Multiple SPF records can cause authentication failures.
No. SPF helps, but DKIM and DMARC are also important for stronger email authentication.
Many included services can create excessive DNS lookups. Remove unused senders and follow provider guidance.
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