indexo.dev

institut-fdh.de

.de crawl

First seen 2026-05-07 · Last seen 2026-05-14 · ok HTTP/1.1 200 957 ms crawled 2026-05-14

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Institut für digitale Herausforderungen
Description
Digital experiments, tools, and projects about programming, AI, internet culture, and data analysis in a retro DOS-style interface.
Canonical
https://institut-fdh.de/

Open Graph

url
https://institut-fdh.de/
title
Institut für digitale Herausforderungen
locale
en_US
description
Digital experiments, tools, and projects about programming, AI, internet culture, and data analysis.

Technology

CDN
Fastly
Server
GitHub.com

Registration

Updated
2025-02-19
Name servers
  • ns1.domainoffensive.de.
  • ns2.domainoffensive.eu.
  • ns3.domainoffensive.net.

DNS records live

NS
  • ns1.domainoffensive.de
  • ns2.domainoffensive.eu
  • ns3.domainoffensive.net
MX
  • 0 mail.institut-fdh.de

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-15 to 2026-07-14
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://institut-fdh.de/

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

Links to (1)

Linked from (2)