clarku.edu

Observed Jul 18, 2026, 13:32 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Also usesFacebook/MetaAtlassianGoogle Search ConsoleDocuSign

15 subdomains · tranco_40k

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

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

clarku.edu

A / AAAA

52.20.87.7

Cloudflareserves the site

ns4.clarku.eduns1.clarku.eduns3.clarku.eduns2.clarku.edu

clarku.eduanswers its DNS

clarku-edu.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.clarku.edu/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time268 ms

DNS resolutionNOERROR

Redirect chain

https://www.clarku.edu/

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

DNS Records

A 1

52.20.87.7

MX 1

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

TXT 18

XMFRJFLPPGEGJLQU0NKXVCY7MIU71EGT6P1EB5MVL
e2ma-verification=q9rgb
facebook-domain-verification=7jw1f0dz06zjhn8qsnjsfp7zj48gko
e2ma-verification=ck0fb
uElaoX6Slkabk+1X8sLW9xLVWpBZAW/hUyKDXTvItOWhwBYl/ZCLSSUuiR1+HwAkzTX4VSpGjUViZZeARIrY0g==
twilio-domain-verification=162fae8caab4be1b5c9159a63dcd94c6
atlassian-domain-verification=XAcvC8BMtjQfhgVKbANa48xM4wTn/VyJqOPQ2J7LnZp5aYJBu5xdYporGFwT4XGs
m75gg6hi80kk36stjf11fdok5s
google-site-verification=UFFUf6Ok81PFP1zXIEu4Cuweg8hocMOoP2Yx0vOPKwI
v=spf1 ip4:140.232.0.0/16 include:spf.protection.outlook.com include:_spf.qualtrics.com ip4:209.29.150.0/23 ip4:38.106.32.22 ip4:38.106.32.46 ip4:167.89.95.129 ip4:52.86.188.131 ip4:52.43.50.148 ip4:216.248.199.106/32 ip4:75.101.161.27 ip4:54.166.123.167 ip4:34.236.72.193 ip4:44.194.182.36 ip4:206.107.42.249 ip4:206.107.42.254 include:technolutions.net include:_spf.elasticemail.com include:cust-spf.cashnet.com include:_spf.explore-blue.com ?all

NS 4

ns4.clarku.edu
ns1.clarku.edu
ns3.clarku.edu
ns2.clarku.edu

SOA 1

kp-madns-01.clarku.edu root.clarku.edu

TLS Certificates (0)

None.

Subdomains (15)

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

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

Ed25519 Receipt

Receipt ID: 29805d3d-5ba2-4d3c-8a27-f40c5823801d
Output Hash: ee34530e7be8e60a931ffa07d7ae780e787471d73a6413b90d9aa1735d8078f5
Signature: ed25519:a99ec59a543529729c76fd1ddbe48c97423fbdd134965cf06209a5ec76a2bff542de63709aaa63e0a84de67e2bbe0193533c471283bb37a0560447d271e93b05
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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