usa.one
Observed Jul 25, 2026, 07:20 UTC (8d 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
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usa.one actually stands on - every host below is a signed observation
usa.one
A / AAAA
104.21.84.158172.67.194.1472606:4700:3037::6815:549e2606:4700:3032::ac43:c293
Cloudflareserves the site
NS
eugene.ns.cloudflare.commelina.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
_dc-mx.10385ef7ee4b.usa.one_dc-mx.06517aa5e714.usa.one
unattributedreceives its email
TLS
usa.one
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.84.158172.67.194.147
AAAA 2
2606:4700:3037::6815:549e2606:4700:3032::ac43:c293
MX 2
10_dc-mx.10385ef7ee4b.usa.one20_dc-mx.06517aa5e714.usa.one
TXT 4
google-site-verification=2QWJ-CixY0ru4k6rgonG4hGAO265_vWMzUgj3SnYBl0v=spf1 a include:_spf.smtp.advancedhosters.com ?allyandex-verification: da20b086e2ee9fc6v=DMARC1; p=none
NS 2
eugene.ns.cloudflare.commelina.ns.cloudflare.com
SOA 1
eugene.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usa.one |
C=US, O=Google Trust Services, CN=WE1 | Fri, 28 Aug 2026 21:28:42 +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_2cefa9693a6915e7- Output Hash
6a8215a844daf3a9bc0a6b05d023df9f3955793d98e9ac24046e648aaa39aba9- Signature
ed25519:fc2abfb14980c5301d98aa0e1b41c447529787e0644b2113bde2d188d21d504fb739753679d9871cdef20ae8db2c359a1c8f7ca1aaab3a3b205d0f52c412310a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast