cornell.edu

Observed Jul 18, 2026, 12:06 UTC (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCornell University

Email byMicrosoft 365

Secured byInCommon

Also usesGoogle Search ConsoleFacebook/MetaNotion

education_expanded

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

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

cornell.edu

A / AAAA

128.253.173.243128.253.173.242128.253.173.241128.253.173.244+2 more

Cornell Universityserves the site

drdns2.cit.cornell.educudns.cit.cornell.edudns.cit.cornell.edubigred.cit.cornell.edu+1 more

cornell.eduanswers its DNS

cornell-edu.mail.protection.outlook.com

Microsoft 365receives its email

TLS

cornell.edu

InCommonissued its certificate

DNS Records

A 6

128.253.173.243
128.253.173.242
128.253.173.241
128.253.173.244
128.253.173.246
128.253.173.245

MX 1

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

TXT 15

v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128.253.150.177 include:_spf.google.com include:spf.protection.outlook.com include:_spf.qualtrics.com -all
autodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy
D750B9F1EBA3435D9D77F95792265223
google-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c
apple-domain-verification=R62yGBLwZW9fUKsm
7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV
facebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz
google-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8
google-site-verification=2Fa7hSAy-FAwrMvWZafs9FUqgGxiNrzJExOmdf5HWAo
google-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0

NS 5

drdns2.cit.cornell.edu
cudns.cit.cornell.edu
dns.cit.cornell.edu
bigred.cit.cornell.edu
drdns.cit.cornell.edu

SOA 1

dns.cit.cornell.edu nsmaster.cornell.edu

TLS Certificates (4)

Common Name	Issuer	Expires
`cornell.edu`	C=US, O=InCommon, LLC, CN=InCommon RSA OV SSL CA 3	Sat, 19 Dec 2026 23:59:59 +0000
`InCommon RSA OV SSL CA 3`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Mon, 05 Nov 2035 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000
`USERTrust RSA Certification Authority`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 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 cornell.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 28a1a1d4-077f-4555-8be1-8a8f693b7c61
Output Hash: e3c66820a66664c7983ba1a5d8a3728f3a917d238136f7f3105f3d29ba437853
Signature: ed25519:e5470bc7096949a73e5a4a2053fc38a1e2affc3ab34a69bfe0fe755178ab4d2c4df7f98a831c37a9408e1a821f79263f988570cc1a2de752a18cf7296e452b01
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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