uol.de
Observed Jul 24, 2026, 01:27 UTC (6h 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 onVerein zur Foerderung eines Deutschen Forschungsnetzes e.V
Secured byHellenic Academic and Research Institutions CA
IPv6 · 1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uol.de actually stands on - every host below is a signed observation
uol.de
A / AAAA
134.106.87.1042001:638:705:3f15::104
Verein zur Foerderung eines Deutschen Forschungsnetzes e.Vserves the site
NS
dns-2.dfn.dens02.uni-oldenburg.dens01.uni-oldenburg.de
dfn.de + uni-oldenburg.deanswers its DNS
MX
smtpmx.uni-oldenburg.de
uni-oldenburg.dereceives its email
TLS
uol.de
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
134.106.87.104
AAAA 1
2001:638:705:3f15::104
MX 1
100smtpmx.uni-oldenburg.de
TXT 3
HARICA-Q77GGx5NQYJufsmX5iBv=spf1 mx ip4:134.106.141.0/24 ~allv=DMARC1;p=none;sp=none;adkim=r;aspf=r;rua=mailto:dmarc-reports@uni-oldenburg.de
NS 3
dns-2.dfn.dens02.uni-oldenburg.dens01.uni-oldenburg.de
SOA 1
ns01.uni-oldenburg.de ipserv.uni-oldenburg.de
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
uol.de |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1 | Tue, 17 Nov 2026 05:31:22 +0000 |
GEANT TLS ECC 1 |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS ECC Root CA 2021 | Sat, 31 Dec 2039 11:14:20 +0000 |
HARICA TLS ECC Root CA 2021 |
C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions ECC RootCA 2015 | Fri, 31 Aug 2029 07:44:36 +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
rcpt_a624f9d89ccee89b- Output Hash
32edd33edda614871dc1939ebc1ddea9aa51538eef0b8e4e2d4b36dff283ed80- Signature
ed25519:43da5a1a59f659598c47fb22b4abfeb91bab983b79c1531bdfb81444f5deeb0712be0122ef014535295402c7533868782b4b66da6a30bb593cda8fd27d5b3b0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast