uso.com.br
Observed Jul 25, 2026, 03:56 UTC (9d 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
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesFacebook/MetaGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uso.com.br actually stands on - every host below is a signed observation
uso.com.br
A / AAAA
18.232.172.132
Cloudflareserves the site
NS
ns-1094.awsdns-08.orgns-1666.awsdns-16.co.ukns-291.awsdns-36.comns-868.awsdns-44.net
awsdns-08.org + awsdns-16.co.uk + moreanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
uso.com.br
Let's Encryptissued its certificate
DNS Records
A 1
18.232.172.132
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 6
facebook-domain-verification=4b43s53c1oy3gcnagdce1u6dcu0yh3google-site-verification=5bRdWuWrz3Bt2MrlvwEzhNctQOORi9D3kjhx55EWBX0oih67g1othl4dbi41ehdmtkqmsu2rifmkqbhn59k80vostjsfimpv=spf1 include:_spf.google.com include:spf.mandrillapp.com ~allv=DMARC1; p=none; rua=mailto:31f328d8@mxtoolbox.dmarc-report.com; ruf=mailto:31f328d8@forensics.dmarc-report.com; fo=1
NS 4
ns-1094.awsdns-08.orgns-1666.awsdns-16.co.ukns-291.awsdns-36.comns-868.awsdns-44.net
SOA 1
ns-868.awsdns-44.net awsdns-hostmaster.amazon.com
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
uso.com.br |
C=US, O=Let's Encrypt, CN=R13 | Mon, 17 Aug 2026 13:26:53 +0000 |
R13 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 23:59:59 +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_7c88f78deebb0730- Output Hash
be171370a8beb9ff6d12bc9492d12e828077393c07bc63f438d4b93c401ed909- Signature
ed25519:3ca078db977eaad9a7e15d7b35c639956d909f97c24c3ce5a9e213176fab52a86bd07fbf297e6326503069ce7a5e9bca0e71b22a37abb6a48b9455def29b8b08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast