planet-wissen.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 3467 ms crawled 2026-05-18

DE · 149.219.208.61 · AS8303 Westdeutscher Rundfunk Koln

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title

Planet Wissen

Description

Wissensendung im Fernsehen und Online-Plattform von Westdeutschem Rundfunk (WDR), Südwestrundfunk (SWR) und ARD alpha

Language

Canonical

https://www.planet-wissen.de/index.html

Feeds

RSS RSS

Open Graph

url: https://www.planet-wissen.de/index.html
title: Sendung | Planet Wissen
description: Wissensendung im Fernsehen und Online-Plattform von Westdeutschem Rundfunk (WDR), Südwestrundfunk (SWR) und ARD alpha

Technology

Server: Apache

Third-party hosts loaded (3)

exporte.wdr.de×1
www.wdr.de×1
www1.wdr.de×1

Social

Registration

Updated

2025-11-11

Name servers

dnsext02.wdr.de.
dnsext03.wdr.de.
pdns02.domaincontrol.com.

DNS records live

NS

dnsext02.wdr.de
dnsext03.wdr.de
pdns02.domaincontrol.com

MX

3 smtp41.wdr.de

Verified for

Google

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA OV R36

from 2025-09-10 to 2026-09-11

Expires in 113 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.planet-wissen.de/index.html

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff