klappeauf.de

.de crawl

First seen 2026-05-12 · Last seen 2026-05-16 · ok HTTP/1.1 200 7996 ms crawled 2026-05-18

US · 104.21.21.102 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Klappe auf - Das Kulturmagazin der Region Karlsruhe
Description: Klappe auf - Das Kulturmagazin der Region Karlsruhe || Artikel der aktuellen Ausgabe, Archiv und Veranstaltungskalender für Karlsruhe und Region
Language: de

Technology

CDN: Cloudflare

Social

Contact

Phone

+49721380893

DNS records live

NS

aurora.ns.cloudflare.com
donovan.ns.cloudflare.com

MX

10 mx03.secure-mailgate.com
10 mx04.secure-mailgate.com

Email authentication weak

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

Certificate (current)

E8

from 2026-04-30 to 2026-07-29

Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (3)

Linked from (2)