tu-bs.de

Last scanned 21h ago; the signed record is unchanged since 15d ago. Every field below carries an Ed25519 signature from that last reading. 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
Also usesAdobeCiscoTeleSec (Deutsche Telekom)Microsoft 365
IPv6 · 1 subdomain · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for tu-bs.de in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

SIGNED-OUT VIEW Provider names, posture and counts are shown. The record values - every DNS answer, each subdomain hostname, raw TXT, IPs, cert names and WHOIS - are the product. Sign in for the full signed record, or use the API with a key.

DNS records 21

A1AAAA1NS3MX3TXT7CAA5SOA1

TLS certificates 3

Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresSat, 06 Fe (164d)
Certificate nameswithheld

Subdomains 1

1 subdomain hostname observed and signed - the list itself is part of the paid record.

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 receiptthe raw cryptographic proof
Receipt ID
rcpt_c50d86fa0bab1ee5
Output Hash
e69140ccce45bb9a3ca8495cabe99ae97593866e58028af62c1458969f0456a2
Signature
ed25519:43c7716e658c7c6054d7a9bc5f38301c573fc16f885c964c1e5b2686ed9edf13521ac8820c681589157b569b3cf62970b611357bb4b191a4746b86a3cf8e0e0a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT4,399 material changesacross 2,862 domains · 24h to ~3h agoDNS DRIFT96 domains changed DNS providertop destination koaladns.com · +13 vs yesterdayEMAIL DRIFT2 domains switched email provider24hREGISTRAR DRIFT2 changed registrar24hNOW524 curated domains not reachable+104 vs yesterdaySITE ERRORS17,751 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,733 sites429 rate-limit / 403 bot-block, a posture signal