jiu.ac.jp

Observed Aug 16, 2026, 16:12 UTC (4h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Not responding
Email byMicrosoft 365
Also usesBill
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jiu.ac.jp actually stands on - every host below is a signed observation
jiu.ac.jp
NS
dns-x.sinet.ad.jpjupiter2.jiu.ac.jpjupiter.jiu.ac.jp
ad.jp + ac.jpanswers its DNS
MX
jiu-ac-jp.mail.protection.outlook.com
Microsoft 365receives its email

DNS Records

MX 1

  • 0jiu-ac-jp.mail.protection.outlook.com

TXT 3

  • MS=ms50647360
  • v=spf1 include:zcsend.net include:sender.zohobooks.com include:spf.protection.outlook.com +ip4:202.209.31.192/26 +ip4:133.217.192.19 +ip4:133.217.192.20 +ip4:133.217.192.21 +ip4:133.217.192.22 +ip4:133.217.192.23 +ip4:13.114.120.189 -all
  • bill-one-domain-verification=c9d6843c-7918-4e95-a48b-83ec4171293e

NS 3

  • dns-x.sinet.ad.jp
  • jupiter2.jiu.ac.jp
  • jupiter.jiu.ac.jp

SOA 1

  • jupiter.jiu.ac.jp root.jiu.ac.jp

DMARC_RECORDS 1

  • v=DMARC1; p=none; fo=1; rua=mailto:ual20-01@jiu.ac.jp

TLS Certificates (0)

None.

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 Receipt

Receipt ID
rcpt_d64352ddb9a4c0be
Output Hash
6f63690befb7bf70e4caffa20c8966eda18a4a2f908760c88752b4ad15626576
Signature
ed25519:f670d45ab86106a49c5c00beb423ced16a6270c667392b9e5d872800edfc19aacecf8f2f059d32de972200833f359878dec5ed5efbbb69430fb9a26f2ef2a704
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT39,710 material changesacross 37,679 domains · 24h to ~2h ago · -1,849 vs yesterdayROTATION66 domains moved DNS from koaladns.com to magpiedns.com, 66 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW595 curated domains not reachable+100 vs yesterdaySITE ERRORS35,880 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,382 sites429 rate-limit / 403 bot-block, a posture signal