CONTINUOUS INTERNET TELEMETRY24H DRIFT473 material changesacross 426 domains · -185 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination selectel.ru · -1 vs yesterdayCERT DRIFT2 domains switched issuing CA24hNOW3,128 curated domains not answering+299 vs yesterdayERRORS20,830 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED57,528 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT473 material changesacross 426 domains · -185 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination selectel.ru · -1 vs yesterdayCERT DRIFT2 domains switched issuing CA24hNOW3,128 curated domains not answering+299 vs yesterdayERRORS20,830 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED57,528 throttled or blocked our scanner429 rate-limit / 403 bot-block

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.de
  • v=STSv1; id=20230707115700Z

NS 2

  • dns1.ruhr-uni-bochum.de
  • dns2.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 NameIssuerExpires
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)

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for rub.de. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for rub.de <a href="https://domaindrift.io/t/rub.de"> <img src="https://domaindrift.io/badge/rub.de.svg" width="300" height="64" alt="DomainDrift signed observations for rub.de"> </a>

Ed25519 Receipt

Receipt ID
42543133-e1b9-4c1d-8597-ac17b1c42fcf
Output Hash
9ead949b96c8885405fe2eb5eda7f688280f84afc5729f21bb3f39194743f5a6
Signature
ed25519:40b1f50decfe1123f288b0910acb2dd76a494c5090c6296eb053a5f6f60a02cbd89d567dbfddc860aff8ab4564fa21c5d2abcee8c4a3151639ceb13455f57f01
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser