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
104.18.22.94104.18.23.94
AAAA 2
2606:4700::6812:175e2606:4700::6812:165e
MX 2
10mxa-00631602.gslb.pphosted.com10mxb-00631602.gslb.pphosted.com
TXT 21
29a247d84108417c9c4757deb7309bb52bhvi4nppitmlvh6ck784d66t7GUID: 51e02c59-2b3c-4dfd-9ae6-76a1753505a3ZOOM_verify_uAsNoKVRRoeOGQy0PtC4Ogapple-domain-verification=Z8WVhJ22af3M0jpeadobe-idp-site-verification=ba17cf8c3111d98a738fa4480a3a1a7ef4b497008c64289e3c83104651ac995bapple-domain-verification=j3MjZEsqQcQE1rDBcdekenk2la3plcc4foivji29vvdocusign=fe2e772f-6aec-4675-8ac8-e8625021eba8eutuljc5i67imqce0trhv2bhe4
NS 2
kiki.ns.cloudflare.comtodd.ns.cloudflare.com
SOA 1
kiki.ns.cloudflare.com dns.cloudflare.com
SRV 1
autodiscover.usa.edu:443 p100
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
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 receiptEd25519 Receipt
- Receipt ID
rcpt_b9ca6458c259fba4- Output Hash
52aa522a5c00d3fc790b43cd08ebd6cb5311f8a085dbf8f338c60076d7d3d557- Signature
ed25519:fad5c41b79c476f556d77246982d065f82a3a673ffb194e5a5fd4ddd60a25cc86b95dd299a3f754b1611f608e4126f058a47e554e32b5c318d3071a98c44630e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast