gustav-landauer.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-08 · ok HTTP/1.1 200 366 ms crawled 2026-05-06

DE · 83.137.101.105 · AS43503 Herbst Datentechnik GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Gustav Landauer | Zur Förderung seines Werks
Language: de
Generator: Drupal 7 (https://www.drupal.org)
Canonical: https://gustav-landauer.org/

Technology

Server: Apache
CMS: Drupal

Third-party hosts loaded (2)

maxcdn.bootstrapcdn.com×3
stats.cryptix.de×1

Social

Registration

Registrar

http.net Internet GmbH

Created

2015-01-18

Expires

2027-01-18 243 days left

Updated

2026-03-04

Name servers

ns1.cryptix.net
ns3.cryptix.net

DNS records live

NS

ns1.cryptix.net
ns3.cryptix.net

MX

5 mail.cryptix.net

Email authentication partial

SPF

v=spf1 mx a ip4:83.137.101.103 ip6:2001:470:6d:eb9::103 ip4:83.137.101.104 ip6:2001:470:6d:6b::104 -all

strict (-all)

DMARC

not published

DKIM

mail: v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxslKOuHjEOoKz+bmvXX5o8NXYjNCtxP4Zv6znHWd+IxpB+azRc0TmWTNGRYYrYbhqPW4…

selectors probed

Certificate (current)

R13

from 2026-03-25 to 2026-06-23

Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://gustav-landauer.org/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000