grenkechessopen.de

.de crawl

First seen 2026-05-04 · Last seen 2026-05-11 · ok HTTP/1.1 200 1519 ms crawled 2026-05-11

DE · 87.230.107.45 · AS34011 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

sector sports type homepage

HTML metadata

Title

Home - grenke Chess Open

Description

grenke Chess Open

Language

de-de

Generator

Joomla! - Open Source Content Management

Translations

Feeds

RSS 2.0 RSS
Atom 1.0 Atom

Technology

Server: Apache
CMS: Joomla

Social widgets

YouTube Embed

Third-party hosts loaded (3)

www.chess.com×3
www.youtube.com×2
www.facebook.com×1

Social

Registration

Updated

2021-01-19

Name servers

ns65.domaincontrol.com.
ns66.domaincontrol.com.

DNS records live

NS

ns65.domaincontrol.com
ns66.domaincontrol.com

MX

50 mx0.grenkechessopen.de

TXT

gnc0v1btuto8uoo3me7n6u35pk

Email authentication weak

SPF: v=spf1 a mx include:spf.server-he.de -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2

from 2025-12-17 to 2027-01-16

Expires in 240 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://grenkechessopen.de/de/

findings

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