tsukuba.ad.jp

Last scanned 20m ago; the signed record is unchanged since 9d 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
Secured byJapan Registry Services Co.
Also usesGoogle 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 tsukuba.ad.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 6

A1NS2MX1TXT1SOA1

TLS certificates 2

Issued byJapan Registry Services Co., SECOM Trust Systems CO.
ExpiresSat, 31 Oc (72d)
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_ff41be8d0322642c
Output Hash
877b915252c36727428f740f360c15857fdf45ef7c20cded8c466729aa14ddd3
Signature
ed25519:906b39ba12a02a69c0560dc45f05628e2efb9c609358e21a0e2c57427d636b39a6a879f02c35801742dff43c0eb1b8640a0899e8cededb71f0a9d6a6baa0f102
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT9,666 material changesacross 5,577 domains · 24h to ~80m ago · +3,004 vs yesterdayROTATION66 domains moved DNS from koaladns.com to magpiedns.com, 55 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT3 changed registrar24hNOW127 curated domains not reachablelast probe, steadySITE ERRORS17,724 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,600 sites429 rate-limit / 403 bot-block, a posture signal