ntnu.edu
Observed 2026-07-17T14:00:26.426573233+00:00 (14h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onSikt - Kunnskapssektorens Tjenesteleverandor
Secured byHellenic Academic and Research Institutions CA
Also usesGoogle Search Console
IPv6 · 1 subdomain · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ntnu.edu actually stands on - every host below is a signed observation
ntnu.edu
A / AAAA
129.241.160.1032001:700:300:6::103
Sikt - Kunnskapssektorens Tjenesteleverandorserves the site
NS
ns1.ntnu.nons2.ntnu.no
ntnu.noanswers its DNS
MX
mx.ntnu.no
ntnu.noreceives its email
TLS
ntnu.edu
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
129.241.160.103
AAAA 1
2001:700:300:6::103
MX 1
10mx.ntnu.no
TXT 3
HARICA-DNvOp4t4DYptYzbgYuZv=spf1 redirect=_spf.ntnu.nogoogle-site-verification=l7rHBiJUweZWnakhZXteiuAl5VUOHGcuakoPohLsPWI
NS 2
ns1.ntnu.nons2.ntnu.no
SOA 1
dnsadmin.itea.ntnu.no hostmaster.ntnu.no
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ntnu.edu |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Mon, 21 Dec 2026 01:29:06 +0000 |
GEANT TLS RSA 1 |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021 | Sat, 31 Dec 2039 11:14:59 +0000 |
HARICA TLS RSA Root CA 2021 |
C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015 | Fri, 31 Aug 2029 07:41:54 +0000 |
Subdomains (1)
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
f4bb8fcf-5183-4430-8787-bfc8fb9aba4f- Output Hash
f3f3fd49ad22b315c53435525573090f20cdea445b3426cbfaa4b7cbc3bb553e- Signature
ed25519:e8aa4e2f8f964e36cd03e073589a46881ec1aaffb5861cd55967592690837c728d25974d608d3b23d6b64ddd064f39279bead0ee2b13071db227006c098e170d- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast