regenstrief.org

Observed Jul 25, 2026, 20:22 UTC (7d 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

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search ConsoleAtlassian

1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat regenstrief.org actually stands on - every host below is a signed observation

regenstrief.org

A / AAAA

174.138.125.147

unattributedserves the site

dns1.iu.edudns2.iu.edudns3.iu.edu

iu.eduanswers its DNS

regenstrief-org.mail.protection.outlook.com

Microsoft 365receives its email

TLS

regenstrief.org

Let's Encryptissued its certificate

DNS Records

A 1

174.138.125.147

MX 1

0regenstrief-org.mail.protection.outlook.com

TXT 14

Network Operations Center <noc@iupui.edu>
atlassian-domain-verification=FFDvrhJSFfGPGo6QczEcUHx2lDJ8XlToaQQbSBXulCJHjrRyuD60truX0/eLsDdq
0ZIn1N4XmWTOQbsDKBEunazNLwfiHc3FHjEYXjC62/6SRfnGwIvdM+BWwdcntQFvNRsTOrtGMhJH/JBoGpNnzQ==
anthropic-domain-verification-b1w3wq=1kvzTWl6kX6Wq2pEImMjNuKJ5
Regenstrief Institute, Inc
Regenstrief Information Technology Services <riisupp@regenstrief.org>
operationshero-verify-57ea917a-0f01-4913-8d18-e0e0fccedf1e
google-site-verification=YBy4fP6vT9Kf-_8s3epT-hW2zq8-80k8VF2jKPtNukY
adobe-idp-site-verification=4e780e07dea8a35bc950032a20786bc76f4248fab0e7d6f7e17a061ae72018aa
ms=ad7a8429fb5b2f77e49a03ae7d0ac5344ceb06d4

NS 3

dns1.iu.edu
dns2.iu.edu
dns3.iu.edu

SOA 1

dns1.iu.edu dns-admin.iu.edu

TLS Certificates (3)

Common Name	Issuer	Expires
`regenstrief.org`	C=US, O=Let's Encrypt, CN=YR2	Thu, 01 Oct 2026 16:14:54 +0000
`YR2`	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.regenstrief.org

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 regenstrief.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_46e1735fb4861965
Output Hash: 1b6768abb356bc9f0a1cb432e7123d558bf0d290e96ec3694172fdd126978cfe
Signature: ed25519:91f685aaf88a22edf79dca859e6a07bac231e6c8c745b4e3d6048abb730b03a27961fa8267087700d9cc866f4c6af9820fcc4218182d60a8acda5f9bf5a5b70e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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