CONTINUOUS INTERNET TELEMETRY24H DRIFT2,066 material changesacross 1,933 domains · +644 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination alidns.com · -6 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +3 vs yesterdayCERT DRIFT46 domains switched issuing CA24h · +46 vs yesterdayNOW963 curated domains not answering+253 vs yesterdayERRORS7,386 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED19,865 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT2,066 material changesacross 1,933 domains · +644 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination alidns.com · -6 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.com · +3 vs yesterdayCERT DRIFT46 domains switched issuing CA24h · +46 vs yesterdayNOW963 curated domains not answering+253 vs yesterdayERRORS7,386 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED19,865 throttled or blocked our scanner429 rate-limit / 403 bot-block

ucsc.edu

Observed Jul 18, 2026, 12:08 UTC (9h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesDocuSignAtlassianGoogle Search Console
IPv6 · education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ucsc.edu actually stands on - every host below is a signed observation
ucsc.edu
A / AAAA
37.16.20.2302a09:8280:1::42:42ec:0
2a09serves the site
NS
ns.zocalo.netadns1.ucsc.eduadns2.ucsc.edu
zocalo.net + ucsc.eduanswers its DNS
MX
alt1.aspmx.l.google.comaspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
ucsc.edu
Let's Encryptissued its certificate

DNS Records

A 1

  • 37.16.20.230

AAAA 1

  • 2a09:8280:1::42:42ec:0

MX 5

  • 5alt1.aspmx.l.google.com
  • 1aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 10alt4.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com

TXT 24

  • 9O98HIXRENZDBS4B49HG3EGSGUMD1SB71E1OLS1WG
  • docusign=92d2ff42-85b4-49d3-a7d4-ff6206c6b7da
  • atlassian-domain-verification=LT04D8PQ6rZDOYwwtkO66srjecUfj6tf1GAHT3MwwC9wt9hRhzj2gMIa4LGQO1PW
  • amazonses:OLdo8B8RSoAxJeaMNhByxa+OHC80Gzqzze41wXllhgE=
  • apple-domain-verification=XO9icURQtTK4967R
  • 2o4e1vfscfmdnoc50n5n46n340
  • virtru-site-verify=PbFPJQrlhOQuDphjnRmvQBT7NLpufe9o8IIjwsUb
  • google-site-verification=YKp9SeXigjb7PuNbHQlI53u7up6azjlipnWnMcQDl8A
  • atlassian-domain-verification=o4jKqspwzy6t1dhudUEPmQkJQXHUCdA4N1FBCLN2EU345AFSuN8faLnW6Msa84ZB
  • brevo-code:22a68b537c51751441d18a254169d3ff

NS 3

  • ns.zocalo.net
  • adns1.ucsc.edu
  • adns2.ucsc.edu

SOA 1

  • adns1.ucsc.edu hostmaster.ucsc.edu

SRV 5

  • alt3.xmpp-server.l.google.com:5269 p20
  • alt2.xmpp-server.l.google.com:5269 p20
  • alt1.xmpp-server.l.google.com:5269 p20
  • xmpp-server.l.google.com:5269 p10
  • alt4.xmpp-server.l.google.com:5269 p20

TLS Certificates (4)

Common NameIssuerExpires
ucsc.edu C=US, O=Let's Encrypt, CN=YE1 Fri, 11 Sep 2026 23:42:03 +0000
YE1 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 ucsc.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
29ece481-577d-47e7-8ade-3c13be8ce360
Output Hash
dbb691d84c8451385ccf5bff8f1602b95808339d46d1f5151ee9fcb26aaebb0d
Signature
ed25519:b8f0c8db80f64d236f4d96269be3da96a9bcf14db72dc9ce7983007ecc2779a9717d7d47114368574c87075173af5b30c692cfb225b4e2401fec9c7736339105
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser