51cto.com
Observed Jul 18, 2026, 13:09 UTC (10h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onCHINA UNICOM China169 Backbone
Registered withAlibaba Cloud Computing (Beijing) Co., Ltd.
tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat 51cto.com actually stands on - every host below is a signed observation
51cto.com
A / AAAA
60.28.220.199
CHINA UNICOM China169 Backboneserves the site
NS
vip3.alidns.comvip4.alidns.com
alidns.comanswers its DNS
MX
hzmx02.mxmail.netease.comhzmx01.mxmail.netease.com
netease.comreceives its email
DNS Records
A 1
60.28.220.199
MX 2
10hzmx02.mxmail.netease.com5hzmx01.mxmail.netease.com
TXT 2
v=spf1 include:spf.163.com -allv=DMARC1; p=quarantine; fo=1; ruf=mailto:dmarc@qiye.163.com; rua=mailto:dmarc_report@qiye.163.com
NS 2
vip3.alidns.comvip4.alidns.com
SOA 1
vip3.alidns.com hostmaster.hichina.com
TLS Certificates (0)
None.
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 receiptPut the receipt on your own site. A live badge showing what DomainDrift observes and signs for 51cto.com. It updates itself. It attests a signed observation - not that the site is safe.
<a href="https://domaindrift.io/t/51cto.com">
<img src="https://domaindrift.io/badge/51cto.com.svg"
width="300" height="64" alt="DomainDrift signed observations for 51cto.com">
</a>
Ed25519 Receipt
- Receipt ID
d1f87e55-4180-4d7b-9bc7-23e8196b463a- Output Hash
b99bff54b4b937753c440d3fa9a36f33b0ab71f0bef71f4137ed696964386915- Signature
ed25519:a0c58535e49292155fe6835536e9e0dfaef411d50fc4afb33ad4524cb7fe01c9d9391198cafc3b13201e6fec40eefa0fc0264c4af844a77d012c7108a3b4e607- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast