CONTINUOUS INTERNET TELEMETRY24H DRIFT5,440 material changesacross 4,941 domains · last 24h · +3,524 vs yesterdayDNS DRIFT115 domains changed DNS providertop destination cloudflare.com · +85 vs yesterdayEMAIL DRIFT14 domains switched email providertop destination google.comCERT DRIFT25 domains switched issuing CA24hNOW574 curated domains not reachable+95 vs yesterdaySITE ERRORS29,412 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 139,038 sites429 rate-limit / 403 bot-block, a posture signal

sdasystems.org

Observed Jul 24, 2026, 19:42 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.

Not responding
Email byAmazon SES
Also usesGoogle Search Console
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 sdasystems.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_e725bdcb8b809df3
Output Hash
79ff39338fb4f2e07892cfc6d42afe7dc1de1fbacd9f44ddac64e8f2b077fe28
Signature
ed25519:999acc145c5f61eabe3f32c4838dd2131295354148a687a644201aab937d083444b79782cc60c4e24f12a15ee276f9889c1f8f4095d66eb64a02b13bb6b00600
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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