yale.edu

Observed Jul 18, 2026, 12:02 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onFastly

Email byMicrosoft 365

Secured byCertainly

Also usesAtlassianDocuSignFacebook/MetaGoogle Search Console

IPv6 · institutions

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

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

yale.edu

A / AAAA

151.101.66.133151.101.130.133151.101.2.1332a04:4e42:400::645+3 more

Fastlyserves the site

pks1302-103.net.yale.edupks1302-102.net.yale.eduns1.bluecatdns.orgns1.bluecatdns.net+1 more

yale.edu + bluecatdns.org + moreanswers its DNS

yale-edu.mail.protection.outlook.com

Microsoft 365receives its email

TLS

yale.edu

Certainlyissued its certificate

DNS Records

A 3

151.101.66.133
151.101.130.133
151.101.2.133

AAAA 4

2a04:4e42:400::645
2a04:4e42:600::645
2a04:4e42::645
2a04:4e42:200::645

MX 1

10yale-edu.mail.protection.outlook.com

TXT 54

00DHo0000038MpA=1TBNx00000005Fp
Dynatrace-site-verification=72c19553-ec2d-4e4f-950c-466938a345c6__gfjfnfbkfm1n41g7rf0n05tqbt
F6G3WBWAQ519BOLKY7UQHUB1B25UH7CTZOUT3Z9GC
KVATau69gzhqUOgCyXmfd9cSFFIarSmLDzRIuuICLnF8FgBUcmhtEuWIfd8/R4wkQJh9vIfvF0GJ/s3/S2RBHQ==
MS=ms71696546
_w450pwsqqfrqqw4n7yodv1euryd9akn
adobe-idp-site-verification=8bd714ff-27d9-412f-a336-011607c5921d
airtable-verification=2115523430cd3176e428cebd0c4f6def
airtable-verification=5faa4d445f2f11d5a2e0d2dff8c4d287
airtable-verification=bd629e6fdd78d25b886c3131d32f2522

NS 5

pks1302-103.net.yale.edu
pks1302-102.net.yale.edu
ns1.bluecatdns.org
ns1.bluecatdns.net
ns1.bluecatdns.com

SOA 1

pks1302-102.net.yale.edu hostmaster.net.yale.edu

SRV 3

yal01exe003.yale.edu:5061 p10
yal01exe001.yale.edu:5061 p10
yal01exe002.yale.edu:5061 p10

TLS Certificates (2)

Common Name	Issuer	Expires
`yale.edu`	C=US, O=Certainly, CN=Certainly Intermediate R1	Tue, 04 Aug 2026 05:48:06 +0000
`Certainly Intermediate R1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Root Certificate Authority - G2	Mon, 21 Jun 2032 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 yale.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: d4d165d2-3864-45d8-b868-b291fbade27e
Output Hash: 7994a3f2f719733a572a2ef466eb2ac863d7ad76c0bd55fcfb83078ec5783899
Signature: ed25519:dc00fc57d734133c851726b870b2dbc8c2855bdb34011317d1b30e3b2044efff301e6c7d829e38fbb1a2aa9f27b85faf4c127129deabec681c69d10817b7fe06
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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