DMARC and mail authentication posture
Visible DMARC and related public mail-authentication signals across the fixed .auDO panel.
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What this State view answers
Are common public mail-authentication signals visible, and has their presence changed?
Show the current visibility of common public mail-authentication signals, centred on DMARC and supported by SPF and public MX availability, together with changes to DMARC and SPF presence during defined observation windows.
What is visible now
Current posture is rendered from the canonical State contract for the fixed panel, not from compatibility metrics.
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Observed movement
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Evidence
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Cohort lenses
Cohort lenses preserve the published cohort order and are descriptive comparisons, not rankings.
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How to interpret this view
DMARC and SPF presence are public configuration signals. Presence does not establish policy strength, enforcement, alignment quality, reporting effectiveness, operational maturity or compliance. Absence does not by itself establish that a domain sends email or that its mail posture is unsafe.
Published limitations
- Counts describe the fixed .auDO panel, not the whole .au namespace.
Data quality and availability
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