dsu.edu.vn
Observed Aug 3, 2026, 03:44 UTC (8h 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 byGlobalSign
4 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dsu.edu.vn actually stands on - every host below is a signed observation
dsu.edu.vn
A / AAAA
14.225.168.85
unattributedserves the site
NS
ns2.vdconline.vnns1.vdconline.vn
vdconline.vnanswers its DNS
MX
mail.vnptemail.vn
vnptemail.vnreceives its email
TLS
dsu.edu.vn
GlobalSign nv-saissued its certificate
DNS Records
A 1
14.225.168.85
MX 1
10mail.vnptemail.vn
TXT 3
v=spf1 a mx include:spf.vnptemail.vn ~all_globalsign-domain-verification=WTkh8l0gqxQbbOBoqqiGsZvCVfcWBIBXVSMnAYLe4B_globalsign-domain-verification=27k6PLEZx2lRgr_-kz24yjcNa5mOMsaWQ7oP0G8c0G
NS 2
ns2.vdconline.vnns1.vdconline.vn
SOA 1
ns1.vdconline.vn vdconline.tld
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
dsu.edu.vn |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign GCC R3 DV TLS CA 2020 | Sun, 07 Mar 2027 09:06:22 +0000 |
GlobalSign GCC R3 DV TLS CA 2020 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Sun, 18 Mar 2029 00:00:00 +0000 |
Subdomains (4)
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_357a00023cc8991a- Output Hash
119a47cbe124a8072c9df64a8485435c904d6cafc59401fbb8c8e3e7dd0c55b0- Signature
ed25519:e166148a37a8ec53171469540f30529630875cd8ca5a4419f9ccd8c76bbef772aca0d4d0a7e3bbc21da0e61fec2e8c9518e8c3c78ae0aa9cfdafa9fc49c9fe0b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast