ustc-zzzz.net
Observed Aug 3, 2026, 01:53 UTC (23h 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
Secured byLet's Encrypt
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ustc-zzzz.net actually stands on - every host below is a signed observation
ustc-zzzz.net
A / AAAA
45.63.61.107
unattributedserves the site
NS
bruce.ns.cloudflare.commarjory.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
ustc-zzzz.net
Let's Encryptissued its certificate
DNS Records
A 1
45.63.61.107
NS 2
bruce.ns.cloudflare.commarjory.ns.cloudflare.com
SOA 1
bruce.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
ustc-zzzz.net |
C=US, O=Let's Encrypt, CN=YE2 | Mon, 26 Oct 2026 20:16:36 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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 receiptEd25519 Receipt
- Receipt ID
rcpt_a7a81748cdeffd44- Output Hash
2831fd34c95167a57c8a0a942e729b1715cdd53b4129bee009dc632bbf044d71- Signature
ed25519:111b25479b93d78ad47af018f71ecb1e8f1313b518f503dfd3dde9d0efd0cdb85d2ac1b47850d7f2ad825ca70325b648d6922593f26c9dcfebb4c3e894fc2d0e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast