CONTINUOUS INTERNET TELEMETRY24H DRIFT37,239 material changesacross 36,512 domains · 24h to ~3h ago · -3,621 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,531 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,763 sites429 rate-limit / 403 bot-block, a posture signal

usa.edu

Observed Jul 24, 2026, 20:05 UTC (9d 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.

Up right now
Runs onCloudflare
Email byProofpoint
Secured byGoogle Trust Services
Also usesZoomDocuSignGoogle Search Console
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usa.edu actually stands on - every host below is a signed observation
usa.edu
A / AAAA
104.18.22.94104.18.23.942606:4700::6812:175e2606:4700::6812:165e
Cloudflareserves the site
NS
kiki.ns.cloudflare.comtodd.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mxa-00631602.gslb.pphosted.commxb-00631602.gslb.pphosted.com
Proofpointreceives its email
TLS
usa.edu
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 104.18.22.94
  • 104.18.23.94

AAAA 2

  • 2606:4700::6812:175e
  • 2606:4700::6812:165e

MX 2

  • 10mxa-00631602.gslb.pphosted.com
  • 10mxb-00631602.gslb.pphosted.com

TXT 21

  • 29a247d84108417c9c4757deb7309bb5
  • 2bhvi4nppitmlvh6ck784d66t7
  • GUID: 51e02c59-2b3c-4dfd-9ae6-76a1753505a3
  • ZOOM_verify_uAsNoKVRRoeOGQy0PtC4Og
  • apple-domain-verification=Z8WVhJ22af3M0jpe
  • adobe-idp-site-verification=ba17cf8c3111d98a738fa4480a3a1a7ef4b497008c64289e3c83104651ac995b
  • apple-domain-verification=j3MjZEsqQcQE1rDB
  • cdekenk2la3plcc4foivji29vv
  • docusign=fe2e772f-6aec-4675-8ac8-e8625021eba8
  • eutuljc5i67imqce0trhv2bhe4

NS 2

  • kiki.ns.cloudflare.com
  • todd.ns.cloudflare.com

SOA 1

  • kiki.ns.cloudflare.com dns.cloudflare.com

SRV 1

  • autodiscover.usa.edu:443 p100

TLS Certificates (3)

Common NameIssuerExpires
usa.edu C=US, O=Google Trust Services, CN=WE1 Tue, 08 Sep 2026 23:18:41 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +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 usa.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_b9ca6458c259fba4
Output Hash
52aa522a5c00d3fc790b43cd08ebd6cb5311f8a085dbf8f338c60076d7d3d557
Signature
ed25519:fad5c41b79c476f556d77246982d065f82a3a673ffb194e5a5fd4ddd60a25cc86b95dd299a3f754b1611f608e4126f058a47e554e32b5c318d3071a98c44630e
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser