SPF Checker
Check whether a domain has an SPF record and surface common include/lookup risks.
Planned checkSPF TXT
Output styleParsed warnings
AudienceEmail admins
MonetizationFull email health
Planned SPF checks
Exists: detect SPF TXT record.
Parse: show mechanisms and includes.
Warnings: multiple SPF records, excessive lookup risk, weak all policy.
Related: link to DMARC and MX checks.