usaii.org
Observed Jul 25, 2026, 16:35 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
Email byMicrosoft 365
Secured byLet's Encrypt
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usaii.org actually stands on - every host below is a signed observation
usaii.org
A / AAAA
107.180.73.255
unattributedserves the site
NS
ns73.domaincontrol.comns74.domaincontrol.com
domaincontrol.comanswers its DNS
MX
usaii-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
usaii.org
Let's Encryptissued its certificate
DNS Records
A 1
107.180.73.255
MX 1
0usaii-org.mail.protection.outlook.com
TXT 3
MS=ms75235715v=spf1 ip4:107.180.73.255 ip4:72.167.49.90 include:spf.protection.outlook.com -allv=DMARC1; p=reject; pct=100
NS 2
ns73.domaincontrol.comns74.domaincontrol.com
SOA 1
ns73.domaincontrol.com dns.jomax.net
CAA 1
issue "letsencrypt.org"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usaii.org |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 03 Sep 2026 16:40:39 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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_9c43793aa6862872- Output Hash
3f910140769b1d1d98c74663f0c8c57525517275a169d43d2ef4ddeb55949aef- Signature
ed25519:701d14cbee4319728e3341a6a02078fa21332aade5d4756eb7bdebd89f557b189010159cb7a18724ec45a105b149ef873ec63927ff895f7f087f0bcb27d6cb08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast