SPF Lookup
Retrieve the SPF TXT record, expand its mechanisms and count DNS lookups against the RFC 7208 limit.
Enter a value above and run the check to see results here.
How it works
Retrieve the SPF TXT record, expand its mechanisms and count DNS lookups against the RFC 7208 limit.
Frequently asked questions
Is the SPF Lookup tool free to use?+
Yes. The SPF Lookup runs directly in NetInsight with no signup required. Free-tier usage is rate limited to keep the service fast for everyone.
Are my queries logged?+
Diagnostic inputs are processed to produce your result and are not sold or shared. See our Privacy Policy for full detail on retention.
How accurate are the SPF Lookup results?+
Results are fetched live from authoritative sources each time you run a check, so they reflect the current state rather than a cached snapshot.