indexo.dev

gks-muellheim.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-19 · ok HTTP/1.1 200 10984 ms crawled 2026-05-16

DE · 217.160.0.21 · AS8560 IONOS SE

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
GKS Müllheim - Gewerbliche und Kaufmännische Schulen
Description
Gewerbliche und Kaufmännische Schulen
Language
de
Generator
WordPress 6.9.4
Canonical
https://www.gks-muellheim.de/

Open Graph

url
https://www.gks-muellheim.de/
title
GKS Müllheim
locale
de_DE
site name
GKS Müllheim
description
Gewerbliche und Kaufmännische Schulen

Technology

Server
Apache
CMS
WordPress

Contact

Phone

Registration

Updated
2025-06-13
Name servers
  • ns1023.ui-dns.biz.
  • ns1034.ui-dns.de.
  • ns1092.ui-dns.org.
  • ns1095.ui-dns.com.

DNS records live

NS
  • ns1023.ui-dns.biz
  • ns1034.ui-dns.de
  • ns1092.ui-dns.org
  • ns1095.ui-dns.com
MX
  • 10 mail.gks-muellheim.de
  • 100 mx2.core.at
  • 20 m7.core.at

Email authentication strong

SPF
v=spf1 a:mail.gks-muellheim.de include:core.at -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=50; ruf=mailto:hostmaster@gks-muellheim.de; rua=mailto:hostmaster@gks-muellheim.de;adkim=s; aspf=s
policy: reject (enforced) · pct=50
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-06-13 to 2026-06-14
Expires in 25 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.gks-muellheim.de/

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

Links to (6)

Linked from (1)