ussartf.org
Observed Jul 26, 2026, 08:58 UTC (7d 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
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 ussartf.org actually stands on - every host below is a signed observation
ussartf.org
A / AAAA
140.82.55.11
unattributedserves the site
NS
ns2.vultr.comns1.vultr.com
vultr.comanswers its DNS
MX
ussartf.orgmx1.improvmx.commx2.improvmx.com
ussartf.org + improvmx.comreceives its email
TLS
ussartf.org
Let's Encryptissued its certificate
DNS Records
A 1
140.82.55.11
MX 3
10ussartf.org10mx1.improvmx.com20mx2.improvmx.com
TXT 20
v=spf1 include:spf.improvmx.com ~allgoogle-site-verification=YY1JaXfW85ElXDIl85nzltO7lwBEHJKwdP90rrnX3r0google-site-verification=613KgMRMpV4rl5QoCUbknsjyedP2_UkN18JNDycbBF4godaddyverification=GqT8zf/e8D+Q4M/S7NVs1A==godaddyverification=GqT8zf/e8D+Q4M/S7NVs1A==v=spf1 include:spf.improvmx.com ~allgoogle-site-verification=613KgMRMpV4rl5QoCUbknsjyedP2_UkN18JNDycbBF4google-site-verification=YY1JaXfW85ElXDIl85nzltO7lwBEHJKwdP90rrnX3r0v=spf1 include:spf.improvmx.com ~allgoogle-site-verification=YY1JaXfW85ElXDIl85nzltO7lwBEHJKwdP90rrnX3r0
NS 2
ns2.vultr.comns1.vultr.com
SOA 1
ns1.vultr.com dnsadm.choopa.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ussartf.org |
C=US, O=Let's Encrypt, CN=YR1 | Tue, 13 Oct 2026 10:18:54 +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_40342675434ea96b- Output Hash
2e08f3e8da361d6a1983f7b76e295339ca8766a87f6cdd49b403fbbc15a03401- Signature
ed25519:7ab45b71e550725bc0c02db18213370e274dafee1c73bd307eec31ebcd3abc5a83ec1a745e7737c1d1e870d77b9bde4e69d94c0952a719fc2fc49733d5959009- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast