CONTINUOUS INTERNET TELEMETRY24H DRIFT6,499 material changesacross 6,060 domains · last 24h · +1,029 vs yesterdayDNS DRIFT191 domains changed DNS providertop destination parity.domains · +78 vs yesterdayEMAIL DRIFT19 domains switched email providertop destination h-email.netCERT DRIFT29 domains switched issuing CA24h · +3 vs yesterdayNOW579 curated domains not reachablelast probe, steadySITE ERRORS31,451 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 141,529 sites429 rate-limit / 403 bot-block, a posture signal

ref-sa-tech.io

Observed Jul 26, 2026, 21:36 UTC (14h 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
Signed observation on record.
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 ref-sa-tech.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_37267cb7d8823076
Output Hash
e5a2636c407f48abdef98fd668938a02f84316a70d156a7cf13ba0e721ba30f5
Signature
ed25519:f846003439174b7311aa0f4226ba3513c4f51ee8561f1b62b8983ef92fa70d16ee3059ec08408ebce993b302a0e2dea08bd4709ce5b952a0025d84b75d265c06
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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