leonardo3.net

.net crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 1642 ms crawled 2026-06-02

CH · 217.168.224.130 · AS12637 SEEWEB s.r.l.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Leonardo3 Museum | Leonardo3
Description
The World of Leonardo da Vinci
Canonical
https://www.leonardo3.net/en/

Open Graph

url
https://www.leonardo3.net/en/
title
Leonardo3 Museum | Leonardo3
description
The World of Leonardo da Vinci

Technology

Server
Apache
Stack
PHP
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • api.mapbox.com×2
  • widgets.regiondo.net×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
Tucows Domains Inc.
Created
2003-03-27
Expires
2027-03-27 297 days left
Updated
2026-02-26
Name servers
  • ns1.hostingpertutti.it
  • ns2.hostingpertutti.it

DNS records live

NS
  • ns1.hostingpertutti.it
  • ns2.hostingpertutti.it
MX
  • 0 mail.leonardo3.net

Email authentication weak

SPF
v=spf1 ip4:217.168.224.130 +a +mx +ip4:64.64.14.126 ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnuF2e7R12lsyERfojtuE4VuYI8QS7doXDVDdjSlZeN7RAGpe9EI0BIy6x0dplwshEO5iVHXl4sx7e93+yIy…
selectors probed

Certificate (current)

R13
from 2026-05-10 to 2026-08-08
Expires in 67 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.leonardo3.net/en/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (7)

Linked from (2)