bfbiotech.com

Observed Aug 10, 2026, 21:44 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of bfbiotech.com was taken 6d ago

bfbiotech.com is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting bfbiotech.com under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch bfbiotech.com Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Not responding
Runs onHangzhou Alibaba Advertising
Registered withAlibaba Cloud Computing (Beijing) Co., Ltd.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for bfbiotech.com in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

INFRASTRUCTURE MAPwhat bfbiotech.com actually stands on - every host below is a signed observation
bfbiotech.com
A / AAAA
121.41.81.203
Hangzhou Alibaba Advertisingserves the site
NS
dns31.hichina.comdns32.hichina.com
hichina.comanswers its DNS
MX
mx.ym.163.com
163.comreceives its email

DNS Records

A 1

  • 121.41.81.203

MX 1

  • 10mx.ym.163.com

NS 2

  • dns31.hichina.com
  • dns32.hichina.com

SOA 1

  • dns31.hichina.com hostmaster.hichina.com

TLS Certificates (0)

None.

Subdomains (0)

None observed.

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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_7b3148fea7ff2f6d
Output Hash
d51f5629a08e1f7cbf01e58fb3a1bf593d95414e2a8773b0f056ab6f7f5ef4de
Signature
ed25519:981c7b998d6a08b33941744b0ceacc2d21b6eb576d83a9578e0b0988fe5337d2293b059591759183b9e58c901adeff3fa7a13e10f128ed531b6fac92fbfea102
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT38,179 material changesacross 36,363 domains · 24h to ~2h ago · -1,061 vs yesterdayROTATION56 domains moved DNS from magpiedns.com to koaladns.com, 55 moved backa rotation loop, not a migration · 24hEMAIL DRIFT7 domains switched email providertop destination alltheemails.comNOW529 curated domains not reachable-62 vs yesterdaySITE ERRORS34,005 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,663 sites429 rate-limit / 403 bot-block, a posture signal