leonardusa.com
Observed Aug 16, 2026, 18:55 UTC (20h 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 byMicrosoft 365
Secured byLet's Encrypt
Also usesApplePinterestKlaviyoZohoGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for leonardusa.com in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat leonardusa.com actually stands on - every host below is a signed observation
leonardusa.com
A / AAAA
63.141.128.813.110.204.15
Cloudflareserves the site
NS
ns20.domaincontrol.comns19.domaincontrol.com
domaincontrol.comanswers its DNS
MX
leonardusa-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
leonardusa.com
Let's Encryptissued its certificate
DNS Records
A 2
63.141.128.813.110.204.15
MX 1
0leonardusa-com.mail.protection.outlook.com
TXT 6
apple-domain-verification=9BfEnhTwM3ckhV5CLv5fXciaLcTS9-UwoiCsPcmBHncv=spf1 include:spf.protection.outlook.com include:_spf.ultipro.com include:one.zoho.com include:spf.smtp2go.com include:email.freshservice.com include:_spf.bigcommerce.com -allpinterest-site-verification=79eeac05ac8d9d9b0c1fa715f438eec6klaviyo-site-verification=U3anN2zoho-verification=zb60780029.zmverify.zoho.comgoogle-site-verification=tApC9I7wKhfDqWnzEaCV6n17sKA5CnCBQtjF7jmVdbc
NS 2
ns20.domaincontrol.comns19.domaincontrol.com
SOA 1
ns19.domaincontrol.com dns.jomax.net
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:dmarc@leonardusa.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
leonardusa.com |
C=US, O=Let's Encrypt, CN=YE2 | Tue, 13 Oct 2026 01:52:59 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_715580836b7c6b58- Output Hash
d6e43b33459a77d72a5a5dc96d94bdc065b332c5f3e122d4844c81599f9e5cff- Signature
ed25519:7fa027f1d8be12bc8ec13e61dca8ab49c3ed9c9e6c1fbc5690d0f3550e3d804cb03988a3b7a5584367a6321000838ba52e3a3e049a2d37c88f631b6beda1f10f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast