sit.ac.jp

Last scanned 18h ago; the signed record is unchanged since 11d 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
Email byGoogle (SPF sender)
Secured byDigiCert
Also usesMicrosoft 365ZoomAdobeGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for sit.ac.jp 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 11

A1NS2MX1TXT6SOA1

TLS certificates 2

Issued byDigiCert
ExpiresWed, 21 Oc (60d)
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_0a4a90cc10e724eb
Output Hash
17f1da155f36c5b1aedf4f41713d41949b6c9ea82750a29253529ee8a72ae82d
Signature
ed25519:aa421a252b4f6c8e47aeb2033f4e50f43aeb1509449df273f72b4ba7d3150e586ab72cd778ade8dd7f3543a257b180850d5c25f49b3c31394e86fdc315585f02
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 27,483 material changesacross 16,090+ domains · 24h to ~8h ago · a floor, 16h of 24 walkedROTATION57 domains moved DNS from magpiedns.com to koaladns.com, 50 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT1 changed registrar24hNOW243 curated domains not reachable+34 vs yesterdaySITE ERRORS17,831 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,281 sites429 rate-limit / 403 bot-block, a posture signal