okayama-u.ac.jp

Observed 2026-07-11T10:31:07.307Z (19h ago). Every field below was attested with an Ed25519 signature at scan time.

INFRASTRUCTURE MAPwhat okayama-u.ac.jp actually stands on - every host below is a signed observation

okayama-u.ac.jp

ouns1.okayama-u.ac.jpouns2.okayama-u.ac.jpouns3.okayama-u.ac.jp

ac.jpanswers its DNS

okayamau-ac-jp01i.mail.protection.outlook.comokayama-u.in.tmems-jp.trendmicro.com

outlook.com + trendmicro.comreceives its email

HTTPS probe

server_error Server error (5xx) 530 Server Error

HTTP status530

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time402 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

MX 2

100okayamau-ac-jp01i.mail.protection.outlook.com
10okayama-u.in.tmems-jp.trendmicro.com

TXT 7

D60EAFA3471FB562825C3B1A09F3E362
tmes=87b51efee43566a451c8dda31d67b0a9
google-site-verification=5uINOP11SnIOCr1iwAS9CpMA-4AT7M9RfXbJA_iZ4xI
google-site-verification=tHPB4Lfk9b9PQCFrMY5zWOgxucCegdaEfcLTybgKFlE
v=spf1 +ip4:208.65.144.0/21 +ip4:208.81.64.0/21 +ip4:42.127.236.175 +ip4:42.127.236.172 +ip4:211.125.124.76 +ip4:150.46.12.0/24 +ip4:150.46.242.223 +ip4:150.46.138.126 include:spf.protection.outlook.com ~all
MS=ms93828235
v=DMARC1; p=none; rua=mailto:mail-alerts@okayama-u.ac.jp

NS 3

ouns1.okayama-u.ac.jp
ouns2.okayama-u.ac.jp
ouns3.okayama-u.ac.jp

SOA 1

ouns1.okayama-u.ac.jp postmaster.okayama-u.ac.jp

TLS Certificates (0)

None.

Subdomains (3)

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.

Verify this receipt

Put the receipt on your own site. A live badge showing what Connor observes and signs for okayama-u.ac.jp. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://connor.dns.drm3.network/t/okayama-u.ac.jp">
  <img src="https://connor.dns.drm3.network/badge/okayama-u.ac.jp.svg"
       width="300" height="64" alt="Connor signed observations for okayama-u.ac.jp">
</a>

Ed25519 Receipt

Receipt ID: 142e03db-49dd-4a8a-8a52-bcae1bc4b919
Output Hash: cb8874137945e8225f085109081fcb413ebe4af26b932aeac28a2b6dda3acc9f
Signature: ed25519:a47571468f5e5b03dd76fd67aad65bed237971c6796388dabca0f2b33942a0cdd419078855c7f9e623317a604b973a130987dea4848269996f1991e6ce9aca04
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://connor.dns.drm3.network/t/okayama-u.ac.jp/2026-07-11T10:31:07.307Z