beuth-hochschule.de

Observed Aug 16, 2026, 08:01 UTC (7h 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
Secured byHellenic Academic and Research Institutions CA
Also usesGoogle Search ConsoleAdobe
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat beuth-hochschule.de actually stands on - every host below is a signed observation
beuth-hochschule.de
A / AAAA
141.64.5.76
unattributedserves the site
NS
deneb.dfn.dedns.bht-berlin.de
dfn.de + bht-berlin.deanswers its DNS
MX
mx2.bht-berlin.demx1.bht-berlin.de
bht-berlin.dereceives its email
TLS
www.bht-berlin.de
Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

  • 141.64.5.76

MX 2

  • 10mx2.bht-berlin.de
  • 10mx1.bht-berlin.de

TXT 5

  • mFrmd3UyD0fBfySYzyDBhdPTDJhHbR9RgHLrhZk+3jrxKigaKR7xTPx8JiXDfGI+eiv4mrRGuA7JV8WZ0IxWWA==
  • google-site-verification=APmVPTzMQS6arIsBn23TOoLp9xnlgH36ctuMr9xuD-k
  • HARICA-hV6oPspUaJkTAgKlujE
  • v=spf1 include:_spf.bht-berlin.de ~all
  • adobe-idp-site-verification=cec4890719f76ecfa04a93aff4e5628bf31181a2237a3f8e9df94d68dc7608e3

NS 2

  • deneb.dfn.de
  • dns.bht-berlin.de

SOA 1

  • dns.bht-berlin.de hrz.bht-berlin.de

SRV 2

  • jabber.beuth-hochschule.de:5222 p5
  • jabber.beuth-hochschule.de:5269 p50

CAA 6

  • issue "sectigo.com"
  • issue "letsencrypt.org"
  • iodef "mailto:ra@beuth-hochschule.de"
  • issue "pki.dfn.de"
  • issuewild "harica.gr"
  • issue "harica.gr"

DMARC_RECORDS 1

  • v=DMARC1; p=none; rua=mailto:postmaster@beuth-hochschule.de; fo=1; adkim=s; aspf=s

TLS Certificates (3)

Common NameIssuerExpires
www.bht-berlin.de C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 Sat, 03 Oct 2026 08:27:55 +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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_5326d4b09df16bd2
Output Hash
b5c88ec467037a99a845b238283decba83b18c51e8283d8106e3d5f19b70aa9e
Signature
ed25519:d3934d5c3fe3401b3de645ada5de370ff82436643e6ea79b72d6ac3ac6529041f2b8be10e123e6c6bf1238d44c33000a2017981f22e6850ca564c12e45453d0f
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT40,574 material changesacross 38,742 domains · 24h to ~2h ago · -985 vs yesterdayROTATION62 domains moved DNS from magpiedns.com to koaladns.com, 61 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW580 curated domains not reachable+85 vs yesterdaySITE ERRORS36,492 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,480 sites429 rate-limit / 403 bot-block, a posture signal