ucsb.edu

Observed Jul 18, 2026, 12:08 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesAtlassianDocuSignGoogle Search Console

IPv6 · 1 subdomain · education_expanded

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

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

ucsb.edu

A / AAAA

23.185.0.32620:12a:8000::32620:12a:8001::3

2620serves the site

ns3-ext.ucsb.eduns1-ext.ucsb.eduns2-ext.ucsb.edu

ucsb.eduanswers its DNS

aspmx2.googlemail.comalt2.aspmx.l.google.comalt1.aspmx.l.google.comaspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

ucsb.edu

Let's Encryptissued its certificate

DNS Records

A 1

23.185.0.3

AAAA 2

2620:12a:8000::3
2620:12a:8001::3

MX 5

10aspmx2.googlemail.com
5alt2.aspmx.l.google.com
5alt1.aspmx.l.google.com
1aspmx.l.google.com
10aspmx3.googlemail.com

TXT 18

dtm-domain-verification=6DTRtO23pIf_MF4uO255jxsKYWUJEnIg2cYfai5yY28
D1C0F4DD1A7217E3217D6BCE183B400D
adobe-idp-site-verification=89eae806e1d6d933ad1bbc1dae756a88bbf2bd0b29a325541c9d7cd3bfcafa7c
v=spf1 include:_spf.ucsb.edu ~all
e2ma-verification=6rtgb
e2ma-verification=qptgb
hcp-domain-verification=b83443062ec1a87d668a27b333cd650da55f407313cb6cc88c1f327ae9466a17
atlassian-domain-verification=qCi2CsOO2pP3njZFSIP5D0ydoujdKY1UDvOfLfk1PitUfyjhktnYJZDkcghY5cZY
apple-domain-verification=Eod6qXeOKdrSMbsj
nintex.5eab2f5c65e22e0cb4175fa8

NS 3

ns3-ext.ucsb.edu
ns1-ext.ucsb.edu
ns2-ext.ucsb.edu

SOA 1

ns1-int.ucsb.edu hostmaster.ucsb.edu

TLS Certificates (3)

Common Name	Issuer	Expires
`ucsb.edu`	C=US, O=Let's Encrypt, CN=YR1	Tue, 22 Sep 2026 18:56:56 +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 (1)

www.ucsb.edu

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

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

Ed25519 Receipt

Receipt ID: 8106192c-2d15-4a11-a98c-d1724eb2210a
Output Hash: 90aaf5b5d9b98e43910a67adb8dc53b6266105c74611b6e1667674ea8dfe7238
Signature: ed25519:806bf6253aa1cc6d083b99a6f25618c7d41b788a85688b2d460e0a728f8ce65fcb58aa27f8b08e07230da4e5882bc8bdba08719d60646076d0b69ea698d59009
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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