indexo.dev

kontrapunkt-konzerte.de

.de crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 1397 ms crawled 2026-06-01

DE · 81.169.145.78 · AS6724 Strato GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Kontrapunkt-Konzerte in der Kölner Philharmonie – Home
Language
de-de
Generator
Joomla! - Open Source Content Management

Open Graph

url
https://www.kontrapunkt-konzerte.de/
title
Home
site name
Kontrapunkt-Konzerte in der Kölner Philharmonie

Technology

Server
Apache
CMS
Joomla
PHP
8.4.21

Registration

Updated
2007-12-20
Name servers
  • docks16.rzone.de.
  • shades08.rzone.de.

DNS records live

NS
  • docks16.rzone.de
  • shades08.rzone.de
MX
  • 5 smtpin.rzone.de
TXT
  • _acme-challenge.abo.kontrapunkt-konzerte.de. 60 IN CNAME _acme-challenge.acmealias.eventim.com
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.strato.de mx a:mx4.eventim.de include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-12-16 to 2027-01-07
Expires in 218 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.kontrapunkt-konzerte.de/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • weak content type protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff, nosniff
cross-origin-opener-policy
same-origin

Linked from (1)