gruppenhandbuch.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1177 ms crawled 2026-05-19

NL · 212.222.128.78 · AS3257 GTT Communications Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Language
de

Technology

Server
Apache
CMS
Drupal

Social

Registration

Updated
2025-09-29
Name servers
  • ns.link-m.de.
  • ns.minuskel.de.

DNS records live

NS
  • ns.link-m.de
  • ns.minuskel.de
MX
  • 10 mail.minuskel.de

Email authentication weak

SPF
v=spf1 a mx/24 ip4:157.90.122.239 ip4:217.111.52.216/29 ip4:149.233.15.57 ip4:212.121.155.82 a:mail.ew-it.de -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-10 to 2026-08-08
Expires in 79 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://gruppenhandbuch.de/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (19)

Linked from (23)