CONTINUOUS INTERNET TELEMETRY24H DRIFT41,685 material changesacross 38,305 domains · 24h to ~80m ago · +7,068 vs yesterdaySHIFT42 domains moved DNS from koaladns.com to magpiedns.coma coordinated move · 24hNOW540 curated domains not reachablelast probe, steadySITE ERRORS33,827 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 150,322 sites429 rate-limit / 403 bot-block, a posture signal

yulunzhang.com

Observed Jul 26, 2026, 22:41 UTC (9d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of yulunzhang.com was taken 9d ago

yulunzhang.com is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting yulunzhang.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 yulunzhang.com Watching a domain needs a DRM3 account. The reading above stays free and public either way.
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Up right now
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yulunzhang.com actually stands on - every host below is a signed observation
yulunzhang.com
A / AAAA
185.199.108.153
unattributedserves the site
NS
dns1.hichina.comdns2.hichina.com
hichina.comanswers its DNS
TLS
yulunzhang.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 185.199.108.153

NS 2

  • dns1.hichina.com
  • dns2.hichina.com

SOA 1

  • dns1.hichina.com hostmaster.hichina.com

TLS Certificates (3)

Common NameIssuerExpires
yulunzhang.com C=US, O=Let's Encrypt, CN=YR1 Thu, 24 Sep 2026 08:29:14 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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.

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Ed25519 Receipt

Receipt ID
rcpt_3db5bbe746ddc0ae
Output Hash
dbaa96e2a0db1104f37639ae79670679bdaa025b904185310093a8dfb61e4b87
Signature
ed25519:c15c2d40449d4e8fe8587ccdf4a64871f6dba86fbd109a080d35e729cd68602dd4a338c8be908fc537d828feabef4efc633b8ce21d3cc5ec63185f91b4c2eb06
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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