linden-institut.org

.org crawl

First seen 2026-04-23 · Last seen 2026-05-14 · ok HTTP/1.1 200 7293 ms crawled 2026-05-17

DE · 212.8.207.11 · AS8925 teuto.net Netzdienste GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Linden Institut
Language
de
Generator
WordPress 6.8.5
Feeds

Technology

Server
Apache
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×3
  • gmpg.org×1

Registration

Registrar
InterNetX GmbH
Created
2022-03-09
Expires
2027-03-09 293 days left
Updated
2026-04-23
Name servers
  • ns1.teuto.net
  • ns2.teuto.net
  • ns3.teuto.net

DNS records live

NS
  • ns1.teuto.net
  • ns2.teuto.net
  • ns3.teuto.net
MX
  • 11 mx2.greensta.de
  • 9 mx1.greensta.de

Email authentication weak

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

Certificate (current)

E8
from 2026-05-03 to 2026-08-01
Expires in 74 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://linden-institut.org/

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

Links to (2)

Linked from (1)