usb.education

Observed Jul 27, 2026, 18:35 UTC (6d 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

Secured byLet's Encrypt

1 subdomain · domcop

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

INFRASTRUCTURE MAPwhat usb.education actually stands on - every host below is a signed observation

usb.education

A / AAAA

69.87.222.231

unattributedserves the site

ns1.luadns.netns2.luadns.netns3.luadns.netns4.luadns.net

luadns.netanswers its DNS

usb.education

usb.educationreceives its email

TLS

usb.education

Let's Encryptissued its certificate

DNS Records

A 1

69.87.222.231

MX 1

10usb.education

NS 4

ns1.luadns.net
ns2.luadns.net
ns3.luadns.net
ns4.luadns.net

SOA 1

ns1.luadns.net hostmaster.luadns.com

TLS Certificates (3)

Common Name	Issuer	Expires
`usb.education`	C=US, O=Let's Encrypt, CN=YR2	Sat, 24 Oct 2026 09:30:33 +0000
`YR2`	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 (1)

www.usb.education

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 usb.education. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_46bf73be030c651e
Output Hash: ccfab989a0fb8b249de6cca77709e308afc1f1c9278450d193b54e01573a172e
Signature: ed25519:c90c52699535da2724586e467fdd8f629779dced9081c60472c3f6e845a371aa38c86f3ab1d917d10bf5c9b6756a90025e46c8a8befbe7c9ffc5be10d3f47f0e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/usb.education