indexo.dev

ptakoeln.de

.de crawl

First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 242 ms crawled 2026-06-01

FR · 92.205.51.92 · AS21499 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
PTA Cologne International School
Description
At Cologne International School, our PTA enhances the environment for our students and staff by organizing and funding many of the school activities and events.
Language
en-GB
Canonical
https://ptakoeln.de

Open Graph

url
https://ptakoeln.de
title
PTA Cologne International School
keywords
PTA, CIS, Cologne International School, Köln, Cologne
site name
PTA Cologne International School
description
At Cologne International School, our PTA enhances the environment for our students and staff by organizing and funding many of the school activities and events.

Technology

Server
nginx

Third-party hosts loaded (1)

  • analytics.ahrefs.com×1

Social

Contact

Email

Registration

Updated
2023-05-22
Name servers
  • ns13.domaincontrol.com.
  • ns14.domaincontrol.com.

DNS records live

NS
  • ns13.domaincontrol.com
  • ns14.domaincontrol.com
MX
  • 100 mxlb.ispgateway.de
Verified for
  • Google

Email authentication weak

SPF
v=spf1 mx include:ispgateway.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-08-20 to 2026-09-14
Expires in 95 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://ptakoeln.de/

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

Links to (5)

Linked from (1)

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