usfsa.org
Observed Aug 2, 2026, 19:49 UTC (22h 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
Also usesGoogle Search Console
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usfsa.org actually stands on - every host below is a signed observation
usfsa.org
A / AAAA
52.202.245.16
unattributedserves the site
NS
pdns11.domaincontrol.compdns12.domaincontrol.com
domaincontrol.comanswers its DNS
MX
usfsa-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
usfsa.org
Let's Encryptissued its certificate
DNS Records
A 1
52.202.245.16
MX 1
0usfsa-org.mail.protection.outlook.com
TXT 3
MS=ms39130476v=spf1 include:spf.protection.outlook.com -allgoogle-site-verification=a61HsH6hpwZCwssKvXKVhPs8_BqbTHzn8AHNNp1YnS4
NS 2
pdns11.domaincontrol.compdns12.domaincontrol.com
SOA 1
pdns11.domaincontrol.com dns.jomax.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usfsa.org |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 09 Oct 2026 18:12:54 +0000 |
YR1 |
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_6238fb1a6df1d4ed- Output Hash
6652abc0fdf3eb2014700e65b628ebd1829671f98aa3be0c01e8997968d1dbe9- Signature
ed25519:588bd7a5c8cc1f9b99b732178421a3f117a03fc2a4a19bdfadb4435fce40a7f414ba643fbbf3c8e34c1ea31c50c3e7939c235d25f97f05ad805a8886c400ea03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast