21cn.com

Observed 2026-07-12T23:42:01.551Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Registered withXiamen 35.com Information Co., Ltd.

IPv6 · 52 subdomains · tranco_10k

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

INFRASTRUCTURE MAPwhat 21cn.com actually stands on - every host below is a signed observation

21cn.com

A / AAAA

114.217.37.13240e:980:8100::72d9:250d

Cloudflareserves the site

vip3.alidns.comvip4.alidns.com

alidns.comanswers its DNS

mta.21cn.com

21cn.comreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://dlife.cn/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time1016 ms

DNS resolutionNOERROR

Redirect chain

https://dlife.cn/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

114.217.37.13

AAAA 1

240e:980:8100::72d9:250d

MX 1

10mta.21cn.com

TXT 1

v=spf1 include:mail-spf.21cn.com include:mail01-spf.21cn.com include:mail02-spf.21cn.com ip4:52.8.52.154 ip4:52.8.239.192 ip4:52.74.103.30 ip4:52.74.147.196 -all

NS 2

vip3.alidns.com
vip4.alidns.com

SOA 1

vip3.alidns.com hostmaster.hichina.com

TLS Certificates (0)

None.

Subdomains (52)

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 21cn.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/21cn.com">
  <img src="https://domaindrift.io/badge/21cn.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for 21cn.com">
</a>

Ed25519 Receipt

Receipt ID: 7a4bd9f9-c44a-4b48-a519-8b89f01bc03e
Output Hash: a0cbb4174edc6f3b6f4728a10d9b8f7e92f626350c336e0b78fc4ef0ecab670f
Signature: ed25519:06ebfa6469971b5c4609538a4863655eb72fa830bb0d7a949383b457feed52334e132268f82d59738d70bb33cdf28c15ac02857380f954c2abdc4d474894f20a
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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