e-c.edu.hk
Observed Jul 27, 2026, 19:53 UTC (4d 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 byHongkong Post
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat e-c.edu.hk actually stands on - every host below is a signed observation
e-c.edu.hk
A / AAAA
43.154.94.77159.138.142.1172402:4e00:40:40::2:407
2402serves the site
NS
ns01.scig.gov.hkns02.scig.gov.hkns03.scig.gov.hk
gov.hkanswers its DNS
TLS
*.e-c.edu.hk
Hongkong Postissued its certificate
DNS Records
A 2
43.154.94.77159.138.142.117
AAAA 1
2402:4e00:40:40::2:407
NS 3
ns01.scig.gov.hkns02.scig.gov.hkns03.scig.gov.hk
SOA 1
ns01.scig.gov.hk hostmaster.cis.gov.hk
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.e-c.edu.hk |
C=HK, ST=Hong Kong, L=Hong Kong, O=Hongkong Post, CN=Hongkong Post e-Cert SSL CA 3 - 17 | Fri, 11 Sep 2026 08:35:02 +0000 |
Hongkong Post e-Cert SSL CA 3 - 17 |
C=HK, ST=Hong Kong, L=Hong Kong, O=Hongkong Post, CN=Hongkong Post Root CA 3 | Thu, 03 Jun 2032 04:07:50 +0000 |
Hongkong Post Root CA 3 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Sun, 18 Mar 2029 00:00:00 +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_5777f5a22f47def8- Output Hash
96791c3f5b68671af0c8f2172aa2522eb840068cc14b75724d5d859620a6e386- Signature
ed25519:31c18174a7170ceb250aadfb10a8a0d88d01f1b270d00cd5c7393e7da0f4457d2efdbd9893f6709ec2e98f4d5a3f00d14b3590fa74e16023048af5a87798e304- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast