zkchedu.com
Observed Jul 26, 2026, 10:04 UTC (7d 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 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zkchedu.com actually stands on - every host below is a signed observation
zkchedu.com
A / AAAA
104.21.93.93172.67.208.1262606:4700:3037::ac43:d07e2606:4700:3030::6815:5d5d
Cloudflareserves the site
NS
kyree.ns.cloudflare.comnicole.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
zkchedu.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.93.93172.67.208.126
AAAA 2
2606:4700:3037::ac43:d07e2606:4700:3030::6815:5d5d
NS 2
kyree.ns.cloudflare.comnicole.ns.cloudflare.com
SOA 1
kyree.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zkchedu.com |
C=US, O=Google Trust Services, CN=WE1 | Wed, 23 Sep 2026 16:21:11 +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_307f9090b8389847- Output Hash
0349ba9e25db62cbf6737272330c4114bf771d4194ca590aa9b61613e022a5d2- Signature
ed25519:d63ae2a47702f57e5254f68f46f93e62a2ca563eb762dbb4d23401b0229c06c0e94aef9ff03c87047e24706d802b14f29d4d3fecd121327be536cabf27bfa306- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast