indexo.dev

robert-dufter.de

.de crawl

First seen 2026-05-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 1467 ms crawled 2026-05-19

FR · 92.205.49.216 · AS21499 Host Europe GmbH

Reputation 62/100 listed in spam blocklist weak security headers no dmarc policy

Classifying

HTML metadata

Title
Konkrete Kunst | Kunst am Bau | Glaskunst | Künstler Robert Dufter
Description
Konkrete Kunst, Kunst am Bau, contemporary art, Glaskunst, Farbdesign. Erleben Sie die sinnliche Wirklichkeit einer aus Farbe erwachsenen Bildwelt von Robert Dufter, Chiemgau.
Language
en

Technology

Server
nginx

Registration

Updated
2021-07-10
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 0 robertdufter-de01e.mail.protection.outlook.com

Email authentication weak

SPF
v=spf1 include:ispgateway.de include:secureserver.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-08-11 to 2026-09-05
Expires in 107 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://robert-dufter.de/

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

Linked from (1)