wisconsin.edu

Observed Jul 22, 2026, 01:12 UTC (3d 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

Up right now

Runs onUniversity of Wisconsin Madison

Email byMicrosoft 365

Secured byLet's Encrypt

1 subdomain · tranco_40k

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

INFRASTRUCTURE MAPwhat wisconsin.edu actually stands on - every host below is a signed observation

wisconsin.edu

A / AAAA

128.104.80.36

University of Wisconsin Madisonserves the site

adns4.doit.wisc.eduadns2.doit.wisc.eduadns3.doit.wisc.eduadns1.doit.wisc.edu

wisc.eduanswers its DNS

wisconsin-edu.mail.protection.outlook.com

Microsoft 365receives its email

TLS

wisconsin.edu

Let's Encryptissued its certificate

DNS Records

A 1

128.104.80.36

MX 1

0wisconsin-edu.mail.protection.outlook.com

TXT 15

586E907A28E109BAEE42F917AD0753E6
5CA2605A4588CFC8C525C892E416CB38
CxMy8u7zjrite0WogMeQvE81fPPiYteS0crPn17iGjdqrqxH9M7zSdfHhWv46MV9Q3qt5c8U6P4Ti9f0U8mPlA==
MS=ms73795984
v=spf1 include:spf.protection.outlook.com include:e2ma.net include:securityiqmail.net ip4:128.104.80.63 ~all
cisco-ci-domain-verification=2cc018c4e5b246ebaf7eebb23d992911a5bc9dc3994e82d09157c0f49ea8bfc8
adobe-idp-site-verification=aebe8ba42fe3662b5fc531b8dbb5f655d614376278ff452bf844961ad34c65a1
duo_sso_verification=TmjFOCmzbvD3HUXOJtS9Yeodbkv2hniY7EuKwrHldVvapHRTVSkP9BbHhZ346s7R
uqfi8koiohvmqqlelaaieshjit
11864798

NS 4

adns4.doit.wisc.edu
adns2.doit.wisc.edu
adns3.doit.wisc.edu
adns1.doit.wisc.edu

SOA 1

adns1.doit.wisc.edu hostmaster.doit.wisc.edu

TLS Certificates (3)

Common Name	Issuer	Expires
`wisconsin.edu`	C=US, O=Let's Encrypt, CN=YR1	Fri, 28 Aug 2026 14:47:40 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.wisconsin.edu

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 wisconsin.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_cca066be790ce7e5
Output Hash: 744a0064f51d90be459d92e50455ecf7a02be8d583049ff70a15d3159f2f591a
Signature: ed25519:e91f4666607c02100e03f83085d71db1d7daa7cd6617d0e1362e329a5204f9e1673a26880415c5fc18b8ea710e1059299b01e77fb8d9fa0a92bf2f92ad47b40b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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