fh-dortmund.de

Last scanned 11h ago; the signed record is unchanged since 14d 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
Email byMicrosoft 365
Secured byHellenic Academic and Research Institutions CA
Also usesAppleSpyCloudGoogle Search ConsoleAdobeCisco
DNSSEC on · 4 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for fh-dortmund.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 19

A1NS3MX1TXT8CAA5SOA1

TLS certificates 3

Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresSat, 21 No (82d)
Certificate nameswithheld

Subdomains 4

4 subdomain hostnames 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_5314d231adb328e5
Output Hash
7409828f7b19c5cc21c3a5e06f074223536fc9ca59a2b7026f995f9d72f674e5
Signature
ed25519:827a56372db30a2bacaee0a3e32e7360508589f77b9b45e7b78068135dcd999ff51cdc8a8db19b3acc12194188815ff07798f5d612285ddc8730b0d16665190a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT28,619 material changesacross 23,238 domains · 24h to ~80m agoDNS DRIFT84 domains changed DNS providertop destination koaladns.com · -2 vs yesterdayREGISTRAR DRIFT4 changed registrar24hNOW559 curated domains not reachablelast probe, steadySITE ERRORS18,207 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 80,881 sites429 rate-limit / 403 bot-block, a posture signal