rub.de
Observed Jul 18, 2026, 13:39 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onRuhr-Universitaet Bochum
Secured byHellenic Academic and Research Institutions CA
IPv6 · 22 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rub.de actually stands on - every host below is a signed observation
rub.de
A / AAAA
134.147.64.102a05:3e00:1:1002::64:10
Ruhr-Universitaet Bochumserves the site
NS
dns1.ruhr-uni-bochum.dedns2.ruhr-uni-bochum.de
ruhr-uni-bochum.deanswers its DNS
MX
mi.ruhr-uni-bochum.de
ruhr-uni-bochum.dereceives its email
TLS
san4.ruhr-uni-bochum.de
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
134.147.64.10
AAAA 1
2a05:3e00:1:1002::64:10
MX 1
10mi.ruhr-uni-bochum.de
TXT 2
v=DMARC1; p=quarantine; sp=none; rua=mailto:Postmaster-rua@ruhr-uni-bochum.dev=STSv1; id=20230707115700Z
NS 2
dns1.ruhr-uni-bochum.dedns2.ruhr-uni-bochum.de
SOA 1
dns1.ruhr-uni-bochum.de hostmaster.ruhr-uni-bochum.de
CAA 7
iodef "mailto:abuse@ruhr-uni-bochum.de"issue "harica.gr"issue "letsencrypt.org"issue "pki.dfn.de"issue "sectigo.com"issue "telesec.de"issuewild ""
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
san4.ruhr-uni-bochum.de |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Fri, 19 Feb 2027 08:16:41 +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 (22)
- nachhaltigkeit.rub.de
- rub60.rub.de
- san4.rub.de
- webdesignsystem.rub.de
- www.nachhaltigkeit.rub.de
- www.psynet.rub.de
- www.qi.rub.de
- www.quantpro.rub.de
- www.rub.de
- www.services.rub.de
- www.sfb398.rub.de
- www.sport.rub.de
- www.studium.rub.de
- www.transfer.rub.de
- www.ttm.rub.de
- www.ueber-uns.rub.de
- www.uni.rub.de
- www.verkehr.rub.de
- www.zptinfo.rub.de
- zpt-hattingen.rub.de
- zpt.rub.de
- zptinfo.rub.de
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
42543133-e1b9-4c1d-8597-ac17b1c42fcf- Output Hash
9ead949b96c8885405fe2eb5eda7f688280f84afc5729f21bb3f39194743f5a6- Signature
ed25519:40b1f50decfe1123f288b0910acb2dd76a494c5090c6296eb053a5f6f60a02cbd89d567dbfddc860aff8ab4564fa21c5d2abcee8c4a3151639ceb13455f57f01- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast