CONTINUOUS INTERNET TELEMETRY24H DRIFT2,952 material changesacross 2,449 domains · last 24h · +1,036 vs yesterdayDNS DRIFT43 domains changed DNS providertop destination cloudflare.com · +13 vs yesterdayEMAIL DRIFT9 domains switched email providertop destination google.comCERT DRIFT12 domains switched issuing CA24hNOW519 curated domains not reachable+40 vs yesterdaySITE ERRORS28,159 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 136,885 sites429 rate-limit / 403 bot-block, a posture signal

imperial.nhs.uk

Observed Jul 24, 2026, 17:52 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Guarded by a firewall
Runs onMicrosoft Corporation
Secured byDigiCert
push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.

No payload stored for this observation.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for imperial.nhs.uk. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for imperial.nhs.uk <a href="https://domaindrift.io/t/imperial.nhs.uk"> <img src="https://domaindrift.io/badge/imperial.nhs.uk.svg" width="300" height="64" alt="DomainDrift signed observations for imperial.nhs.uk"> </a>

Ed25519 Receipt

Receipt ID
rcpt_687d781f4dab8e60
Output Hash
537a26b9e63999db2bcd321fb3557d2ff17a464abc1f8ea18c41941ee85053f2
Signature
ed25519:3ee8c051768a293dd15ba3e0d80d2b43fbf5610b9f95ae3b515a42e2e5ecd45eb08c6754d86125e2f40accb18d47f52e1e5c55ba9c2f1d75160bfe2eb8383606
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser