21.edu.ar

Last scanned 3h 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 onCloudflare
Email byMicrosoft 365
Secured byGoDaddy.com
Also usesAppleFacebook/MetaGoogle Search Console
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 21.edu.ar 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 16

A2NS2MX1TXT10SOA1

TLS certificates 3

Issued byGoDaddy.com, GoDaddy
ExpiresThu, 10 De (106d)
Certificate nameswithheld

Subdomains 0

None observed.

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_9ee9335748f82178
Output Hash
488496e2dc795f4ec4e60604918c2ab086e53825bb80149075eb9d51ec339654
Signature
ed25519:5448f0b34fa6537983a861fd571faf8e2262155c1557e7166749d0f0da913c18b63898de18656ced25a88d112fce5a0ee2067c174833832138509f0ceef1c104
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT11,337 material changesacross 9,412 domains · 24h to ~2h ago · +6,938 vs yesterdayROTATION58 domains moved DNS from koaladns.com to magpiedns.com, 53 moved backa rotation loop, not a migration · 24hEMAIL DRIFT1 domain switched email provider24hREGISTRAR DRIFT1 changed registrar24hNOW546 curated domains not reachablelast probe, steadySITE ERRORS17,828 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,703 sites429 rate-limit / 403 bot-block, a posture signal