4.cn

Observed Jul 18, 2026, 12:48 UTC (4d 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onNingxia West Cloud Data Technology Co.Ltd

Email byMailgun

Secured byLet's Encrypt

Also usesGoogle Search Console

tranco_10k

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

INFRASTRUCTURE MAPwhat 4.cn actually stands on - every host below is a signed observation

4.cn

A / AAAA

69.234.239.50

Ningxia West Cloud Data Technology Co.Ltdserves the site

vip3.alidns.comvip4.alidns.com

alidns.comanswers its DNS

mail.tutanota.de

Mailgunreceives its email

TLS

*.4.cn

Let's Encryptissued its certificate

DNS Records

A 1

69.234.239.50

MX 1

10mail.tutanota.de

TXT 8

google-site-verification=pVWTtlccvil-QpeXyjIxnTgjkilaa5ohh4uyueBGEKM
v=spf1 include:spf1.dm.aliyun.com -all
v=spf1 include:spf.tutanota.de -all
v=spf1 include:mailgun.org ~all
t-verify=89ffdcb4e2e1d153eb5e018a03d3a8a9
v=DMARC1;p=none;rua=mailto:dmarc_report@service.aliyun.com
v=DMARC1; p=quarantine; adkim=s
v=STSv1; id=20190723;

NS 2

vip3.alidns.com
vip4.alidns.com

SOA 1

vip3.alidns.com hostmaster.hichina.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.4.cn`	C=US, O=Let's Encrypt, CN=YR2	Sun, 06 Sep 2026 15:02:14 +0000
`YR2`	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 (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 4.cn. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/4.cn">
  <img src="https://domaindrift.io/badge/4.cn.svg"
       width="300" height="64" alt="DomainDrift signed observations for 4.cn">
</a>

Ed25519 Receipt

Receipt ID: rcpt_115c68a623cd1d12
Output Hash: 97ade38332d49358626ddac68775cd768f8d35c3c993b11de410e00c3b6e86d2
Signature: ed25519:039d6d6a0750b7775f85956b3f913d69c9bfba1a09b17e8278f945a160b26dad2abec6e305c48c402e041b647bf044046749e8741fcbad5473cae1798fe9a701
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/4.cn