sangsang.edu.vn
Observed Aug 16, 2026, 08:18 UTC (13h 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
CloudflareEmail byGoogle Workspace
Google WorkspaceSecured byGoogle Trust Services
Google Trust ServicesAlso usesGoogle Search Console
Google Search ConsoleIPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sangsang.edu.vn actually stands on - every host below is a signed observation
sangsang.edu.vn
A / AAAA
104.21.59.164172.67.180.2372606:4700:3037::6815:3ba42606:4700:3030::ac43:b4ed
Cloudflareserves the site
NS
dawn.ns.cloudflare.comlochlan.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
sangsang.edu.vn
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.59.164172.67.180.237
AAAA 2
2606:4700:3037::6815:3ba42606:4700:3030::ac43:b4ed
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 1
google-site-verification=3n8S2D55YCuhoir1y_o6jyGHDxzZ6En7HYxlYNqo6EQ
NS 2
dawn.ns.cloudflare.comlochlan.ns.cloudflare.com
SOA 1
dawn.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
sangsang.edu.vn |
C=US, O=Google Trust Services, CN=WE1 | Sat, 24 Oct 2026 11:25:01 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_9aa394a02bb837f1- Output Hash
17fa05087b29b297f7e67cc19e52378d32b97c0567f6f726c75ba2799061275b- Signature
ed25519:e6d37ec8f27ef401d7ad27101bf45c70b278c01e3001040a08fea75c4ed6015e53096651f8c42eebd539b78ad6eee2f913d64d064aaab8c31826a058fa452407- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast