gmh-gruppe.de

HTML metadata

Title: Start - GMH Gruppe - Grüner Stahl für die Green Economy
Description: GMH Gruppe: Wir liefern Lösungen aus Stahl für vielfältige Märkte weltweit, von der Idee bis zu einbaufertigen Komponenten.
Language: de
Generator: WordPress 6.9.4
Canonical: https://www.gmh-gruppe.de/

Open Graph

url: https://www.gmh-gruppe.de/
title: Start - GMH Gruppe - Grüner Stahl für die Green Economy
locale: de_DE
site name: GMH Gruppe - Grüner Stahl für die Green Economy
description: GMH Gruppe: Wir liefern Lösungen aus Stahl für vielfältige Märkte weltweit, von der Idee bis zu einbaufertigen Komponenten.

Technology

CMS: WordPress

Third-party hosts loaded (1)

gmpg.org×1

Social

Contact

Phone

00495401390

Registration

Updated

2026-04-15

Name servers

nsa4.schlundtech.de.
nsb4.schlundtech.de.
nsc4.schlundtech.de.
nsd4.schlundtech.de.

DNS records live

NS

nsa4.schlundtech.de
nsb4.schlundtech.de
nsc4.schlundtech.de
nsd4.schlundtech.de

MX

10 mx01.hornetsecurity.com
20 mx02.hornetsecurity.com
30 mx03.hornetsecurity.com
40 mx04.hornetsecurity.com

TXT

domainVerification=75fb5606-d4b0-44d5-8356-0d50c4bd8de3
7SEUGfiPYX4Nddc4H1FKLkRMSv9VK5X5I+UzB5zCo3xvL/PAZsnZRWQbyMVAfyj/qSBs6k+wp/pr8yGXpc4Cjg==

Verified for

Apple
Dynamics 365
Microsoft
Microsoft 365

Email authentication strong

SPF

v=spf1 a include:spf.hornetsecurity.com include:spf.protection.outlook.com include:successfactors.eu include:marketing.dynamics.com include:spf.mailjet.com include:agenturserver.de ip4:193.228.122.60/32 ip4:193.228.122.61/32 ip4:3.121.168.52/32 -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; sp=none; pct=100; adkim=r; aspf=r

policy: quarantine · sp=none

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCHY/zvFGOPsesMehe35Sx9gqJIrQiKGzeGcsBlzo+LNJ1GhttsJdtNcmisnw5Lf5vEUg6sfXQmwydooumy7…
selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC/YyKOt+loiBOX3VzgoVvCx9N34X6jvPs/gcyMBKp/A4YjLPlDdI1OWlobp8CU3kyzkhssAR9EaORV6FpQc8…

selectors probed

Certificate (current)

R13

from 2026-03-19 to 2026-06-17

Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.gmh-gruppe.de/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: accelerometer=(), autoplay=(), camera=(), encrypted-media=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), usb=(), xr-spatial-tracking=()
x-content-type-options: nosniff
content-security-policy: default-src 'self' https://gmh-gruppe.de https://www.gmh-gruppe.de https://api.curator.io https://cdn.curator.io https://platform.instagram.com https://www.instagram.com https://curator-assets.b-cdn.net https://curatorio.s3.amazonaws.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://gmh-gruppe.de https://www.gmh-gruppe.de https://api.curator.io https://cdn.curator.io https://curator-assets.b-cdn.net https://curatorio.s3.amazonaws.com https://platform.instagram.com https://www.instagram.com https://jobs.gmh-gruppe.de https://static.dvinci-easy.com https://connect.facebook.net https://borlabs.io https://*.borlabs.io; style-src 'self' 'unsafe-inline' https://gmh-gruppe.de https://www.gmh-gruppe.de https://api.curator.io https://cdn.curator.io https://platform.instagram.com https://www.instagram.com https://static.dvinci-easy.com https://borlabs.io https://*.borlabs.io; img-src 'self' https://gmh-gruppe.de https://www.gmh-gruppe.de https://api.curator.io https://cdn.curator.io h
strict-transport-security: max-age=31536000; includeSubDomains