SPF
ABSENT
Policy: —
2026-08-21T03:46:44+00:00derbyshcft.nhs.uk
Persisted public authentication evidence
AUTHENTICATION POSTURE
DKIM
NOT_ASSESSED
Selector required
No selector guessingDMARC
REJECT
Source: nhs.uk
2026-08-21T03:46:44+00:00SPF DETAILS
ABSENTNo SPF record observed- Terminal policy
- —
- DNS lookups
- —
- Void lookups
- —
DKIM DETAILS
DKIM cannot be deterministically assessed from a domain alone.
DMARC DETAILS
VALIDv=DMARC1; p=reject; sp=none;adkim=s;aspf=s;fo=1; rua=mailto:A-NE.postmaster@nhs.net,mailto:dmarc-rua@dmarc.service.gov.uk- Policy
- reject
- Policy source
- nhs.uk
- Alignment
- SPF: s · DKIM: s
POLICY DIFF
No semantic change observed yet.
History begins after future observations differ from the current normalized policy.