usf2000.com
Observed Jul 27, 2026, 04:46 UTC (6d 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 byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
2 subdomains · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usf2000.com actually stands on - every host below is a signed observation
usf2000.com
A / AAAA
199.195.156.10
unattributedserves the site
NS
ns2.hover.comns1.hover.com
hover.comanswers its DNS
MX
aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
www.usf2000.com
Let's Encryptissued its certificate
DNS Records
A 1
199.195.156.10
MX 5
10aspmx.l.google.com20alt2.aspmx.l.google.com30aspmx2.googlemail.com20alt1.aspmx.l.google.com30aspmx3.googlemail.com
TXT 3
google-site-verification=4nlmDn4qAP_MUlkrnCspo04ktYOq6NBfcHhvsNFtsEsv=spf1 include:_spf.andersencompanies.com ~allv=DMARC1; p=reject; rua=mailto:5zpnpsku@ag.dmarcian.com;
NS 2
ns2.hover.comns1.hover.com
SOA 1
ns1.hover.com dnsmaster.hover.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.usf2000.com |
C=US, O=Let's Encrypt, CN=YR1 | Mon, 05 Oct 2026 13:20:49 +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 (2)
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_dc37f0f29b47e16c- Output Hash
a1398e3c992f25bba35ff350d9f6997a6dd392357edea5e3348e1e1aa688b730- Signature
ed25519:e1078edb4944d71223e58789265e89651dee52ab7f39c40da01779ea631a49c6fa4418c464e1d705355a21fd6423f075dd8485f107e90e59224dc0d27d196903- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast