CONTINUOUS INTERNET TELEMETRY24H DRIFT2,024 material changesacross 1,815 domains · -527 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,371 curated domains not answeringlast probe, steadyERRORS10,880 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,024 material changesacross 1,815 domains · -527 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,371 curated domains not answeringlast probe, steadyERRORS10,880 responded with an errorlast probe · 5xx / 404 / 429 / 403

usc.edu

Observed 2026-07-14T02:19:27.107Z (55m ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byProofpoint
Also usesGoogle Search ConsoleAtlassianDocuSign
IPv6 · 15 subdomains · education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usc.edu actually stands on - every host below is a signed observation
usc.edu
A / AAAA
23.185.0.32620:12a:8001::32620:12a:8000::3
Cloudflareserves the site
NS
ns0037.secondary.cloudflare.comns0163.secondary.cloudflare.com
cloudflare.comanswers its DNS
MX
mx0b-00164701.pphosted.commx0a-00164701.pphosted.com
Proofpointreceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time1720 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

  • 23.185.0.3

AAAA 2

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

MX 2

  • 50mx0b-00164701.pphosted.com
  • 50mx0a-00164701.pphosted.com

TXT 36

  • e2ma-verification=31b
  • apple-domain-verification=f8jvjXpxkZuZImoG
  • 71MB6F28FTH9N79MPH1TN49H6E
  • brevo-code:c8ebd56e46efa8226729d35478a57103
  • e2ma-verification=jafgb
  • dropbox-domain-verification=q9fk5cnf7e8z
  • e2ma-verification=t5egb
  • SFMC-amtHrwXeF3C5rm2Ha9E3H_dpDHSLFtemkbvrt-wI
  • google-site-verification=7jISKLgSY6Xj9zt1ZjvoVsHZvOMpGjgzih8xn6sDoXA
  • teamviewer-sso-verification=65d375c2d6374c5a991d77de3d1949a0

NS 2

  • ns0037.secondary.cloudflare.com
  • ns0163.secondary.cloudflare.com

SOA 1

  • ns0037.secondary.cloudflare.com root.usc.edu

TLS Certificates (0)

None.

Subdomains (15)

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

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

Ed25519 Receipt

Receipt ID
d960b720-a8a1-4efa-92cc-ad5c1b9ec1d6
Output Hash
6565a8e6d651f9c2a3b69875056189092746591c8a8d53eefdacffa33b38e793
Signature
ed25519:aa56e2db6ef29614d6de9d75e40b382fe328d263689fe2725bb072c65b61c980cb9f87ce862adb0bd5f1fd1a73448bcee03860bf945a480d3c2e72d21027b406
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser