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

  • 63.141.128.8
  • 13.110.204.15

MX 1

  • 0leonardusa-com.mail.protection.outlook.com

TXT 6

  • apple-domain-verification=9BfEnhTwM3ckhV5CLv5fXciaLcTS9-UwoiCsPcmBHnc
  • v=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 -all
  • pinterest-site-verification=79eeac05ac8d9d9b0c1fa715f438eec6
  • klaviyo-site-verification=U3anN2
  • zoho-verification=zb60780029.zmverify.zoho.com
  • google-site-verification=tApC9I7wKhfDqWnzEaCV6n17sKA5CnCBQtjF7jmVdbc

NS 2

  • ns20.domaincontrol.com
  • ns19.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 NameIssuerExpires
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 receipt

Ed25519 Receipt

Receipt ID
rcpt_715580836b7c6b58
Output Hash
d6e43b33459a77d72a5a5dc96d94bdc065b332c5f3e122d4844c81599f9e5cff
Signature
ed25519:7fa027f1d8be12bc8ec13e61dca8ab49c3ed9c9e6c1fbc5690d0f3550e3d804cb03988a3b7a5584367a6321000838ba52e3a3e049a2d37c88f631b6beda1f10f
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT41,982 material changesacross 40,107 domains · 24h to ~2h ago · +2,742 vs yesterdayROTATION70 domains moved DNS from kirklanddc.com to magpiedns.com, 66 moved backa rotation loop, not a migration · 24hEMAIL DRIFT7 domains switched email provider24hNOW502 curated domains not reachable-89 vs yesterdaySITE ERRORS33,725 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,840 sites429 rate-limit / 403 bot-block, a posture signal