si.edu

Observed 2026-07-13T00:17:50.409119752+00:00 (13h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Email byMicrosoft 365

Secured byInternet2

Also usesDocuSignGoogle Search ConsoleAtlassian

push_legacy

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

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

si.edu

A / AAAA

160.111.244.22

Cloudflareserves the site

a1-88.akam.neta9-64.akam.neta11-67.akam.neta24-67.akam.net+2 more

akam.netanswers its DNS

si-edu.mail.protection.outlook.com

Microsoft 365receives its email

TLS

*.si.edu

Internet2issued its certificate

DNS Records

A 1

160.111.244.22

MX 1

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

TXT 67

MS=ms11507808
v=spf2.0/pra ?all
asv=84f6dfbd71d6cbaaa0ed4810076c50f6
apple-domain-verification=OQGHn6kF8gOnAiWs
docusign=13c4cb8d-4a47-4283-811e-e667bdd84098
docusign=1c9206b6-fcd1-4754-8bb5-dc9f864d2d2e
jamf-site-verification=_2xGbG2MJiUanzZxmwyiBA
canva-site-verification=_s6Cq2oLPbhyDq31iu-b-A
airtable-verification=3f1db8793cf1be25596af7e99e060d41
openai-domain-verification=dv-eu9pCkdZuzJSXWszEh1cs3BG

NS 6

a1-88.akam.net
a9-64.akam.net
a11-67.akam.net
a24-67.akam.net
a26-66.akam.net
a28-65.akam.net

SOA 1

a26-66.akam.net ocio-noc.si.edu

CAA 5

issue "digicert.com"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "sectigo.com"
issue "ssl.com"

TLS Certificates (4)

Common Name	Issuer	Expires
`*.si.edu`	C=US, O=Internet2, CN=InCommon RSA Server CA 2	Fri, 11 Sep 2026 23:59:59 +0000
`InCommon RSA Server CA 2`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 15 Nov 2032 23:59:59 +0000
`USERTrust RSA Certification Authority`	C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services	Sun, 31 Dec 2028 23:59:59 +0000
`AAA Certificate Services`	C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services	Sun, 31 Dec 2028 23:59:59 +0000

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

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

Ed25519 Receipt

Receipt ID: 381de615-db7a-49a4-9403-89a7e9f8ab4b
Output Hash: 72b3d3e51fb0bc8ba16f5638b8b211072ec731c22191f43208feadce5eb0ea9a
Signature: ed25519:4c86e78dea4fabccba5095f854af5214687497161828db1a56fb618920fbcd45af76b4db0b377bfccef56975d29ea1cca75fc862dbac03d351e9da5202bbea07
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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