umin.ac.jp

Observed Jul 22, 2026, 01:30 UTC (19h 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.

Verify this receipt yourself + Watch this domain

Not responding

Runs onThe University of Tokyo

Also usesGoogle Search Console

tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

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

umin.ac.jp

A / AAAA

130.69.92.10

The University of Tokyoserves the site

ilsa.umin.ac.jpdb.umin.ac.jp

ac.jpanswers its DNS

mailgw.umin.ac.jp

ac.jpreceives its email

DNS Records

A 1

130.69.92.10

MX 1

10mailgw.umin.ac.jp

TXT 3

v=spf1 +ip4:130.69.92.0/24 +ip4:130.69.94.0/24 ~all
google-site-verification=xR7VNy0VZWXBo71NTMR4jKzU6U8Tcu3baafEzuCAsjc
v=DMARC1; p=none; sp=none; rua=mailto:umin-dmarc@umin.ac.jp; ruf=mailto:umin-dmarc@umin.ac.jp;

NS 2

ilsa.umin.ac.jp
db.umin.ac.jp

SOA 1

db.umin.ac.jp postmast-ctr.umin.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; nothing leaves your machine.

Verify this receipt

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

<a href="https://domaindrift.io/t/umin.ac.jp">
  <img src="https://domaindrift.io/badge/umin.ac.jp.svg"
       width="300" height="64" alt="DomainDrift signed observations for umin.ac.jp">
</a>

Ed25519 Receipt

Receipt ID: rcpt_4fc945887c71d7a6
Output Hash: b47d4382c94c14aa49aea66f219ef494da5394332c1eff4f870d29a4be151e5a
Signature: ed25519:e763b285098d4a8c013254e8833ab9ad04342352dd730217c4b39869e6e6fbc4cd4a9fa62609afd69c5b5f5425cfdb9a42337325b939f1b68283c953f325640e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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