k-1.co.jp

Last scanned 22h 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
Runs onNTT DOCOMO BUSINESS
Secured byLet's Encrypt
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 k-1.co.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 3

Issued byLet's Encrypt
ExpiresThu, 12 No (71d)
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_1519bb4477f596d9
Output Hash
48c1ce8ab12689f4301b5eff18d8c45ce1bed23c841d7316250f67169a7b528e
Signature
ed25519:86236a28ca76f1dadb2f54ce30e5ec479538ad113745952923e5ebe6b671bc81af3179375bba33a01d888608d25ed8c9863205212432cbe358f0825444583d09
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT4,479 material changesacross 2,401 domains · 24h to ~60m ago · +294 vs yesterdayROTATION55 domains moved DNS from magpiedns.com to koaladns.com, 54 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT3 changed registrar24hNOW572 curated domains not reachablelast probe, steadySITE ERRORS18,230 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 80,844 sites429 rate-limit / 403 bot-block, a posture signal