CONTINUOUS INTERNET TELEMETRY24H DRIFT834 material changesacross 343 domains · last 24h · +27 vs yesterdayDNS DRIFT5 domains changed DNS providertop destination hichina.comCERT DRIFT1 domains switched issuing CA24hNOW511 curated domains not reachable+89 vs yesterdaySITE ERRORS17,678 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,925 sites429 rate-limit / 403 bot-block, a posture signal

a1-systems.com

Observed Jul 24, 2026, 19:28 UTC (21h 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 onA1 Systems
Secured byGlobalSign
Registered withRegional Network Information Center, JSC dba RU-CENTER
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 a1-systems.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for a1-systems.com <a href="https://domaindrift.io/t/a1-systems.com"> <img src="https://domaindrift.io/badge/a1-systems.com.svg" width="300" height="64" alt="DomainDrift signed observations for a1-systems.com"> </a>

Ed25519 Receipt

Receipt ID
rcpt_18688058559e2dac
Output Hash
8bbe25721fa5c4b50c9d7c764cf53a74448d2806296883e8dcb86619ff28f7a5
Signature
ed25519:7a1b8ccdf76031298721bef4c9c2e76b7f1e7ff05886839c617e5b10a0bb33b95797ac22e83dd6199a534a40627e43d4cd2168edbe44cdd1c59f150170647e00
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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