upyun.com

Observed Jul 24, 2026, 19:51 UTC (9d 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 byDigiCert

tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat upyun.com actually stands on - every host below is a signed observation

upyun.com

A / AAAA

183.136.236.254

unattributedserves the site

ns2.ialloc.comns1.ialloc.com

ialloc.comanswers its DNS

mx1.feishu.cnmx2.feishu.cnmx3.feishu.cn

feishu.cnreceives its email

TLS

*.upyun.com

DigiCertissued its certificate

DNS Records

A 1

183.136.236.254

MX 3

10mx1.feishu.cn
20mx2.feishu.cn
30mx3.feishu.cn

TXT 3

verification-code-site-App_feishu=mKJvpfazV8TlOgdGeSZU
v=spf1 +include:_netblocks.m.feishu.cn ~all
v=DMARC1; p=none

NS 2

ns2.ialloc.com
ns1.ialloc.com

SOA 1

ns1.ialloc.com wtzhu182.163.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.upyun.com`	C=US, O=DigiCert, Inc., CN=GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1	Sun, 22 Nov 2026 23:59:59 +0000
`GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 14 Dec 2032 23:59:59 +0000
`DigiCert Global Root G2`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root CA	Sun, 09 Nov 2031 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.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for upyun.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_3f5f18cd1ed344a9
Output Hash: 719abb5f1a4db49a22578e8c0956b4c5d1b959a117593b85efeec101d9524edc
Signature: ed25519:38aa977d805795f1900991b2c3e37eb658604b0776929b9060974aa14722d6dda153a3ffc0137f55e9b69dc3b2e20116558891dcc213a970124cb6555d9f6302
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/upyun.com