uoc.edu
Observed Jul 18, 2026, 13:01 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Guarded by a firewall
Runs onAmazon
Email byGoogle Workspace
Secured byHellenic Academic and Research Institutions CA
tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uoc.edu actually stands on - every host below is a signed observation
uoc.edu
A / AAAA
75.2.63.13199.83.131.89
Amazonserves the site
NS
ns-1381.awsdns-44.orgns-142.awsdns-17.comns-1588.awsdns-06.co.ukns-620.awsdns-13.net
awsdns-44.org + awsdns-17.com + moreanswers its DNS
MX
aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.com+3 more
Google Workspacereceives its email
TLS
*.uoc.edu
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 2
75.2.63.13199.83.131.89
MX 7
1aspmx.l.google.com10aspmx2.googlemail.com10aspmx3.googlemail.com10aspmx4.googlemail.com10aspmx5.googlemail.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 4
HARICA-mzzAbJea8ROzD5pW6qTapple-domain-verification=0SkI4bnTEZcxqEnbamght4qe43b2rr2hi1aumc1ucmv=spf1 include:_spf.google.com include:ex1.uoc.edu ip4:84.88.0.6 ip4:3.248.238.191 ip4:34.248.212.113 ip4:54.155.47.62 ~allv=DMARC1; p=none; rua=mailto:informes.generales@uoc.edu; ruf=mailto:informes.forenses@uoc.edu
NS 4
ns-1381.awsdns-44.orgns-142.awsdns-17.comns-1588.awsdns-06.co.ukns-620.awsdns-13.net
SOA 1
ns-620.awsdns-13.net awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.uoc.edu |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Tue, 10 Nov 2026 13:21:58 +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 (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
38b2e029-06a5-4edf-86ed-778d96eff88e- Output Hash
ee4d25a6944d85303ccf795e3d46e170c33973af57d7d4a268baab9c004cda2f- Signature
ed25519:bb208cd579ab5864621d38007ed6c60cab8ee265726e5fe49bed67f9cd8370fa399226cb93d98473320cf8af1ccb5deee277d9286a42dc3bb3b6e1f2e6cd550f- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast