grancursosonline.com.br

Last scanned 19h ago; the signed record is unchanged since 24d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

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Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byDigiCert
Registered toGran Tecnologia e Educação S/A
Also usesMicrosoft 365MiroOneTrustGoogle Search ConsoleHcpAtlassian
IPv6 · 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 grancursosonline.com.br 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 41

A2AAAA2NS2MX5TXT17CAA12SOA1

TLS certificates 3

Issued byDigiCert
ExpiresFri, 20 No (78d)
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_993159b6b29f4b98
Output Hash
3696c5daab2b6a97af36116ef6f3bb0c60b91df48d08d070091fd3dbf893503c
Signature
ed25519:a505ffa012e8ffc494576857fd062f8fb1d46b2c4ab30d23fd25109cfd6df254fc7621b436f75925d3f2ae99d6ea6ae994dc1efa8ee8e1bc1b7badfcb1316701
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT30,030 material changesacross 23,472 domains · 24h to ~80m agoROTATION54 domains moved DNS from koaladns.com to magpiedns.com, 53 moved backa rotation loop, not a migration · 24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT3 changed registrar24hNOW604 curated domains not reachablelast probe, steadySITE ERRORS17,402 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,525 sites429 rate-limit / 403 bot-block, a posture signal