osu.edu

Observed Jul 18, 2026, 12:06 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onAmazon

Email byProofpoint

Secured byAmazon

Also usesGoogle Search ConsoleDocuSignDocker

2 subdomains · education_expanded

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

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

osu.edu

A / AAAA

75.2.76.22599.83.250.163

Amazonserves the site

ns4.oar.netns5.net.ohio-state.eduns4.net.ohio-state.eduns7.oar.net+2 more

oar.net + ohio-state.eduanswers its DNS

mxb-002cfd01.gslb.pphosted.commxa-002cfd01.gslb.pphosted.com

Proofpointreceives its email

TLS

*.osu.edu

Amazonissued its certificate

DNS Records

A 2

75.2.76.225
99.83.250.163

MX 2

10mxb-002cfd01.gslb.pphosted.com
10mxa-002cfd01.gslb.pphosted.com

TXT 30

ZBJE5GE9JY0N038X80BFODMAEN3J1TEFGD6M1W48X
+oDRHuhkKAugHxae5F0DPg7FnHsmiQyaPMvEmSs+Q4lwroTrOcQImwynk1xfy7fEkcpI5n1r0WgJ9IqorMzEqA==
BkGlTdCvGmG9W0+KwebLRTRfXsAVwfqRtmNEAEuZD/A+/Xvsmquqb4nfsMp0a9I84qbcOWkE9H3MgFcVcPSgeg==
google-site-verification=bzDkUURD54SjtfhrF9qRbs9mgQWXA5pY_DyWzvRI2wE
asv=233bf36a6249f5b347704c29a4865cb3
013153DD0909B99EE62AA404FEF2EC29
ho2dgpNdjnGQDVUzoPMWgSfMO8VaMqoZEmXtEvSfDF/GDLFV0MLL85HpnPI0yrhjjcvaRGvj74U0152aBWcGVQ==
b3N1
docusign=3293a0b7-44cf-434f-af1c-5eea8ed1584a
v=msv1 t=A89FDA91-83F4-4248-8B72-7A8D72482707

NS 6

ns4.oar.net
ns5.net.ohio-state.edu
ns4.net.ohio-state.edu
ns7.oar.net
ns6.oar.net
ns5.oar.net

SOA 1

ns5.net.ohio-state.edu hostmaster.osu.edu

TLS Certificates (3)

Common Name	Issuer	Expires
`*.osu.edu`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Thu, 14 Jan 2027 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (2)

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

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

Ed25519 Receipt

Receipt ID: e51a52d3-8df7-4bc9-be3b-43a3e1e886ef
Output Hash: fb03555ee7077f027f757121ffe44a96f98852d1b47506c343a252e057ae4167
Signature: ed25519:df7a5cf99e5b7ec9701160ef8790504789b360647e4808dd7f5eb65e23b7a2f72c926688be5061e218bb8f3ee5a6931b2172ff709ddf632b61ff6a76d864b50a
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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