yuzhang.wang
Observed Aug 2, 2026, 21:47 UTC (14h 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.
Up right now
Runs onCloudflare
Secured byGoogle Trust Services
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yuzhang.wang actually stands on - every host below is a signed observation
yuzhang.wang
A / AAAA
104.21.69.247172.67.216.192606:4700:3037::ac43:d8132606:4700:3033::6815:45f7
Cloudflareserves the site
NS
sarah.ns.cloudflare.comyew.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
yuzhang.wang
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.69.247172.67.216.19
AAAA 2
2606:4700:3037::ac43:d8132606:4700:3033::6815:45f7
NS 2
sarah.ns.cloudflare.comyew.ns.cloudflare.com
SOA 1
sarah.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
yuzhang.wang |
C=US, O=Google Trust Services, CN=WE1 | Fri, 02 Oct 2026 23:12:18 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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 receiptEd25519 Receipt
- Receipt ID
rcpt_3f4adaef5983a107- Output Hash
aae235554b8059074561407457e06d4ff4de7116912ff613080c588924158c23- Signature
ed25519:8f0d92dd66ff765290f9ecb614575dd4f957750778d8b7bc3e16113391aa86c43bb8e0dd9f0f89c48ad2e2f84f463147d045e381c62971097225b26f9496be01- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast