usherbrooke.ca

Last scanned 17h ago; the signed record is unchanged since 21d 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 onReseau d_Informations Scientifiques du Quebec (RISQ Inc.)
Email byMicrosoft 365
Secured bySectigo
Registered toUniversite de Sherbrooke
Registered withA.R.C. Informatique Inc.
Also usesAppleHeyhackDruideFacebook/MetaHave I Been PwnedGoogle Search ConsoleCiscoAtlassian
1 subdomain · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for usherbrooke.ca 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 31

A1NS2MX1TXT17SRV9SOA1

TLS certificates 3

Issued bySectigo, The USERTRUST Network
ExpiresSat, 05 Se (5d)
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_876525e0703883e0
Output Hash
84190775806a7bd846267c134941f2017d332c3f109b4483641349b1137adf39
Signature
ed25519:b509a14d4883778668e8735530d72b19ed3d71afd19c93d97dad6fa7306c50f19ce9ee886f9d937499868eec52aa939825d54857e0de72173af5ee7e086bb20d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT3,908 material changesacross 2,445 domains · 24h to ~2h ago · -24,345 vs yesterdayROTATION57 domains moved DNS from koaladns.com to magpiedns.com, 51 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT3 changed registrar24hNOW567 curated domains not reachablelast probe, steadySITE ERRORS18,234 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 80,778 sites429 rate-limit / 403 bot-block, a posture signal