Glossary

What Is spf?

How Whisper models it

HOSTNAME—SPF_INCLUDE / SPF_IP→authorized sender

Each SPF mechanism is its own edge type, so the full authorized-sender set is one traversal.

SPF reach of a domainOpen in Console →
MATCH (h:HOSTNAME {name:"paypal.com"})-[:SPF_INCLUDE|SPF_IP|SPF_A|SPF_MX]->(s) RETURN s.name LIMIT 10

Recipes that use this

Runnable queries where this concept does the work.

Grade a domain’s email-authentication posture

See a domain’s SPF reach, the mail servers it trusts, and the nameservers it delegates to — the email posture audit, in one query.

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