Authentication history

Immutable persisted observations.

Observed	Signal	Selector	Verdict	Fingerprint
2026-08-17T00:27:54+00:00	DKIM	mail	VALID	`5929550a7db5…`
2026-08-17T00:27:54+00:00	DMARC	—	VALID	`35e44d707c1f…`
2026-08-17T00:27:54+00:00	SPF	—	VALID	`23a982f408e0…`
2026-08-16T12:17:40+00:00	DKIM	mail	VALID	`5929550a7db5…`
2026-08-16T12:17:40+00:00	DMARC	—	VALID	`35e44d707c1f…`
2026-08-16T12:17:40+00:00	SPF	—	VALID	`23a982f408e0…`
2026-08-16T12:02:48+00:00	DKIM	mail	VALID	`5929550a7db5…`
2026-08-16T12:02:48+00:00	DMARC	—	VALID	`35e44d707c1f…`
2026-08-16T12:02:48+00:00	SPF	—	VALID	`23a982f408e0…`