CONTINUOUS INTERNET TELEMETRY24H DRIFT5,762 material changesacross 5,364 domains · 24h to ~50m ago · -3,001 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

zhelearn.com

Observed Aug 2, 2026, 22:05 UTC (6h 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.

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Up right now
Secured byLet's Encrypt
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zhelearn.com actually stands on - every host below is a signed observation
zhelearn.com
A / AAAA
47.111.13.208
unattributedserves the site
NS
dns29.hichina.comdns30.hichina.com
hichina.comanswers its DNS
MX
mx3.feishu.cnmx1.feishu.cnmx2.feishu.cn
feishu.cnreceives its email
TLS
zhelearn.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 47.111.13.208

MX 3

  • 10mx3.feishu.cn
  • 1mx1.feishu.cn
  • 5mx2.feishu.cn

TXT 2

  • verification-code-site-App_feishu=h5ZUHVa01KMLAb9hMKq4
  • v=spf1 +include:_netblocks.m.feishu.cn -all

CNAME 1

  • ali-srv.zhelearn.com

NS 2

  • dns29.hichina.com
  • dns30.hichina.com

SOA 1

  • dns29.hichina.com hostmaster.hichina.com

DMARC_RECORDS 1

  • v=DMARC1; p=reject

TLS Certificates (4)

Common NameIssuerExpires
zhelearn.com C=US, O=Let's Encrypt, CN=YE1 Wed, 07 Oct 2026 04:16:10 +0000
YE1 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

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; nothing leaves your machine.

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Ed25519 Receipt

Receipt ID
rcpt_58f459af48c85912
Output Hash
8a5d8fef898584e26df6952400111cb32e5f91cfa0405fed8e708229a96c721f
Signature
ed25519:c4fc9e4da2d194348146267bfb3257d9acbfa89743cc7d0c3f46ce378c0a43a56453f7ce9d57652f9c9845ac66826848a16b51fc3b103649781c08381d17f206
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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