drbu.edu

Observed Jul 28, 2026, 13:11 UTC (21h 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

Runs onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

domcop

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

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

drbu.edu

A / AAAA

141.193.213.10141.193.213.11

Cloudflareserves the site

chip.ns.cloudflare.comirma.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+2 more

Google Workspacereceives its email

TLS

drbu.edu

Let's Encryptissued its certificate

DNS Records

A 2

141.193.213.10
141.193.213.11

MX 6

10aspmx.l.google.com
20alt1.aspmx.l.google.com
20alt2.aspmx.l.google.com
30aspmx2.googlemail.com
30aspmx3.googlemail.com
30aspmx4.googlemail.com

TXT 7

google-site-verification=Pb1efdiIqHb2hoIIlPptMWh-1O7IXJ0xmAucufSYGpQ
google-site-verification=TZExMAawch1ZpPjUJYxfsnRAgikr9Fps_Johigcx6uA
google-site-verification=srZrVyEGFBu9KNnT_HeFQp2g447SlTZgR2Sks8ZGKDQ
google-site-verification=wwR4uOzri-qt_LYy8cXXzYmYiR83FQJlkkxyhRErgjY
v=spf1 include:_spf.google.com include:servers.mcsv.net include:email.populi.co include:_spf.jotform.com ~all
wJbrjJwVMlHpTUwjebujZWt6iQl6AKo4bK55MBK8zXg=
v=DMARC1; p=none; rua=mailto:dmarc@drbu.edu; pct=100; adkim=s; aspf=s

NS 2

chip.ns.cloudflare.com
irma.ns.cloudflare.com

SOA 1

chip.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (4)

Common Name	Issuer	Expires
`drbu.edu`	C=US, O=Let's Encrypt, CN=YE2	Wed, 07 Oct 2026 05:02:12 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 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 drbu.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_5169a3a8be9abb4f
Output Hash: 2b1a748957456fc99c899bdefe4f09e6d276410e02104869736b4ba1625f45d9
Signature: ed25519:4acab2c689404cb5c5420a1d8c008b64b1e44b1df1cd89214c838bc40ac6693f64ec80a50dcc45cad08af83a2dc385b457a8aa8678c938d93993489b2a857b00
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/drbu.edu