usao.edu

Observed Jul 24, 2026, 20:31 UTC (9d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesDocuSignZoomGoogle Search Console

4 subdomains · tranco

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

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

usao.edu

A / AAAA

164.58.177.142

unattributedserves the site

dns.onenet.netterra.osrhe.edu

onenet.net + osrhe.eduanswers its DNS

usao-edu.mail.protection.outlook.com

Microsoft 365receives its email

TLS

mail.dev.usao.edu

Let's Encryptissued its certificate

DNS Records

A 1

164.58.177.142

MX 1

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

TXT 17

sophos-domain-verification=2774387587afb4e00b1f5a9938db3e4fcddd1cf9a176717375c19e5aa2d66b4b
sending_domain68952=506841e34415a7dc6d0715969eb16c33f54e9e5a5105f031cd69f24812678a7c
MS=4ED25FA86B46B87620E456648FE870709FDE162C
canva-site-verification=crYXC3tqW9Dt_71A9D9mCw
jamf-site-verification=1SIJcX2EHIPV9Ij8oNA9cQ
v=spf1 ip4:164.58.177.140 ip4:164.58.177.139 ip4:198.187.196.0/24 include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:spf.myconnectwise.net include:spf.watermarkinsights.com include:aspmx.pardot.com ~all
ZOOM_verify_N8fRtuH7R9e1vbz0AoRPDw
MS=ms84220507
apple-domain-verification=nix7FoEzM27bbr0V
9paqv3e6gtsggakt7cghlr3kvs

NS 2

dns.onenet.net
terra.osrhe.edu

SOA 1

cp7.onenet.net domreg.onenet.net

TLS Certificates (3)

Common Name	Issuer	Expires
`mail.dev.usao.edu`	C=US, O=Let's Encrypt, CN=YR1	Wed, 30 Sep 2026 21:17:55 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (4)

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

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

Ed25519 Receipt

Receipt ID: rcpt_6f6327e9dcedc890
Output Hash: 2d870d2317113239586b6ec882a13ad5386061a3fd2e8c09234e1d000fa81e82
Signature: ed25519:c8927ed594057b32fc09c67e067023e26d2ce814aeca418c4d13ceccc122363b1aa77e0e92af6a0f958df7c90a6a2b591d85bd9b48d8429f035ab0800ba70c00
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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