indexo.dev

groothuis.de

.de crawl

First seen 2026-04-27 · Last seen 2026-05-16 · ok HTTP/1.1 200 1579 ms crawled 2026-05-20

DE · 212.63.130.86 · AS8741 ratiokontakt GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
GROOTHUIS Hamburg | Willkommen
Description
GROOTHUIS. Gesellschaft der Ideen und Passionen mbH für Kommunikation, Marketing und Gestaltung – Hamburg
Language
de

Technology

Server
nginx
PHP
8.3.31 security-only

Social

Contact

Phone

Registration

Updated
2013-02-02
Name servers
  • ns5.kasserver.com.
  • ns6.kasserver.com.

DNS records live

NS
  • ns5.kasserver.com
  • ns6.kasserver.com
MX
  • 0 w00fe7d2.kasserver.com
TXT
  • 9xc74dxqn5sr5n23vvz65wgxnlvzgr8k
  • e4493f970a51c91f6a2ee72762adebc98f5e1d60acc0e3a82be524634bbad00b
  • b16b.groothuis.de TXT 4nfytfb12kddly6vnl7qdjrywjnm74bh
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx include:spf.kasserver.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-12 to 2026-07-11
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://groothuis.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 (1)