CONTINUOUS INTERNET TELEMETRY24H DRIFT6,091 material changesacross 5,752 domains · last 24h · +621 vs yesterdayDNS DRIFT175 domains changed DNS providertop destination parity.domains · +62 vs yesterdayEMAIL DRIFT19 domains switched email providertop destination h-email.netCERT DRIFT30 domains switched issuing CA24h · +4 vs yesterdayNOW576 curated domains not reachablelast probe, steadySITE ERRORS30,955 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 140,536 sites429 rate-limit / 403 bot-block, a posture signal

altimetergroup.com

Observed Jul 25, 2026, 21:09 UTC (1d 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.

Not responding
Email byProofpoint
tranco
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 altimetergroup.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_0333d9218b9a3f48
Output Hash
aeb3c8fb76fff758f9da74c1961ddfa40587e29268b36d7bb95892a22d9a571f
Signature
ed25519:a4568c39632552e01ffb3703a3d8f95b0205e0848eaf35a6c74c76da3813a74eea26d9c1465c2c061004a5519af6ff7ca5e81624b43fcbe2fba5cdab32603d02
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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