CONTINUOUS INTERNET TELEMETRY24H DRIFT3,240 material changesacross 2,667 domains · last 24h · +1,324 vs yesterdayDNS DRIFT43 domains changed DNS providertop destination cloudflare.com · +13 vs yesterdayEMAIL DRIFT9 domains switched email providertop destination google.comCERT DRIFT14 domains switched issuing CA24hNOW524 curated domains not reachable+45 vs yesterdaySITE ERRORS28,320 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 137,206 sites429 rate-limit / 403 bot-block, a posture signal

nctm.org

Observed Jul 24, 2026, 19:26 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.

Up right now
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Registered withNameCheap, Inc.
Also usesGoogle Search ConsoleStripe
IPv6 · tranco_100k
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 nctm.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_82ae23b292b95cfd
Output Hash
7f8e21c11c9ae44322542612f4fcc627f5a9131b917e33d67c578958c0db1c75
Signature
ed25519:ea1e7f42d72c9c3585b3f2014d351b9db6be60a05955dce0cabf6dcc83e57501689fb5ed448adf79969e2f6a84f9b0ae790c49cb4a46878194117050bb89e002
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser