CONTINUOUS INTERNET TELEMETRY24H DRIFT5,762 material changesacross 5,364 domains · 24h to ~20m ago · -3,001 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

usp.ac.jp

Observed Aug 3, 2026, 03:31 UTC (3m 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.

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Up right now
Email byMicrosoft 365
Secured byDigiCert
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usp.ac.jp actually stands on - every host below is a signed observation
usp.ac.jp
A / AAAA
20.210.64.5
unattributedserves the site
NS
spins2.spins.usp.ac.jpdns-x.sinet.ad.jpspins1.spins.usp.ac.jp
ac.jp + ad.jpanswers its DNS
MX
usp-ac-jp.mail.protection.outlook.com
Microsoft 365receives its email
TLS
usp.ac.jp
DigiCert Incissued its certificate

DNS Records

A 1

  • 20.210.64.5

MX 1

  • 10usp-ac-jp.mail.protection.outlook.com

TXT 3

  • MS=ms38944993
  • v=spf1 include:spf.protection.outlook.com ~all
  • google-site-verification=xmxDiXW8epG0rrW7_RCUPfN7Irg73zaPJnSaPPDYDIY

NS 3

  • spins2.spins.usp.ac.jp
  • dns-x.sinet.ad.jp
  • spins1.spins.usp.ac.jp

SOA 1

  • spins2.spins.usp.ac.jp root.spins2.spins.usp.ac.jp

DMARC_RECORDS 1

  • v=DMARC1; p=none; fo=1; ri=86400; rua=mailto:se-chk@ec.usp.ac.jp; ruf=mailto:se-chk@ec.usp.ac.jp

TLS Certificates (2)

Common NameIssuerExpires
usp.ac.jp C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 Sat, 12 Dec 2026 23:59:59 +0000
GeoTrust TLS RSA CA G1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Tue, 02 Nov 2027 12:23:37 +0000

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; nothing leaves your machine.

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Ed25519 Receipt

Receipt ID
rcpt_b28fd6abc7fa7930
Output Hash
3866436147cdba59ff4e1df098ba79fb3152ae6c537d4054271aa739c86625c8
Signature
ed25519:1bac3623076ac5cea6d433387dc405c546af47d129d0cca473d9e82758487356ac3af1cfa50ee788a67a202df16d595c01ae4308da07123d3c6dbd6ecd20a90d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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