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robduisberg.org

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First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1330 ms crawled 2026-05-19

US · 67.20.76.160 · AS31898 Oracle Corporation

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Robert Adámy Duisberg

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Registration

Registrar
Bluehost Inc.
Created
2009-07-07
Expires
2026-07-07 48 days left
Updated
2025-06-27
Name servers
  • ns1.hostmonster.com
  • ns2.hostmonster.com

DNS records live

NS
  • ns1.hostmonster.com
  • ns2.hostmonster.com
MX
  • 0 robduisberg.org

Email authentication weak

SPF
v=spf1 a mx ptr include:hostmonster.com ?all
neutral (?all)
DMARC
not published
DKIM
  • default: k=rsa; p=MHwwDQYJKoZIhvcNAQEBBQADawAwaAJhALOLe/rYf+nyvxqvM0m54bMCg70ZJNJT6RNJnqquUjXUtblxdqz1zvThG9XL/sbRhyXp4dNd5G2oL8hru75KXL/D6UbJv+y++vK…
selectors probed

Certificate (current)

R12
from 2026-03-22 to 2026-06-20
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://robduisberg.org/

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

Linked from (1)