vut.cz

Last scanned 20h ago; the signed record is unchanged since 19d 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 onBrno University of Technology
Email byGoogle (SPF sender)
Secured byLet's Encrypt
Also usesMicrosoft 365AutodeskAnthropicCywetadnsGoogle Search Console
37 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 vut.cz 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

A1NS2MX1TXT6CAA8SOA1

TLS certificates 3

Issued byLet's Encrypt
ExpiresThu, 01 Oc (32d)
Certificate nameswithheld

Subdomains 37

37 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_73d36f87f67cd2cc
Output Hash
9c4e49d1b85afb4949c8fdc40b31a3ff6a65df6749a282f77c5ac9bc70df3f49
Signature
ed25519:fdd087dfcfedccba9b8fb667cd70eeacd5e4c72c39fbea220b0a6b06125d0974568401f171cd862edc67ef8d18681f7e47cff1094fc98fc1997fee58ed760f04
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT7,482 material changesacross 5,552 domains · last 24h · -55 vs yesterdayROTATION56 domains moved DNS from kirklanddc.com to koaladns.com, 53 moved backa rotation loop, not a migration · 24hEMAIL DRIFT2 domains switched email provider24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT2 changed registrar24hNOW550 curated domains not reachablelast probe, steadySITE ERRORS17,774 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,266 sites429 rate-limit / 403 bot-block, a posture signal