indexo.dev

if-koeln.de

.de crawl

First seen 2026-05-30 · Last seen 2026-06-01 · ok HTTP/1.1 200 77 ms crawled 2026-05-31

FI · 65.109.91.241 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Home | Cologne International School - Official Website
Description
To Connect With Each Others and Our World
Language
en-GB
Generator
Site Kit by Google 1.179.0
Canonical
https://if-koeln.de/
Translations
  • de
  • en
Feeds

Open Graph

url
https://if-koeln.de/
title
Home | Cologne International School - Official Website
locale
en_GB
site name
Cologne International School - Official Website
description
To Connect With Each Others and Our World
updated time
2026-02-10T08:17:29+00:00

Technology

Server
LiteSpeed
CMS
WordPress
Analytics
  • Google Tag Manager
Cookie consent
  • Cookiebot

Third-party hosts loaded (5)

  • cdn.jsdelivr.net×4
  • cdnjs.cloudflare.com×3
  • www.googletagmanager.com×2
  • consent.cookiebot.com×1
  • gmpg.org×1

Social

Contact

Email
Phone

Registration

Updated
2017-09-27
Name servers
  • ns1029.ui-dns.org.
  • ns1042.ui-dns.de.
  • ns1064.ui-dns.biz.
  • ns1064.ui-dns.com.

DNS records live

NS
  • ns1029.ui-dns.org
  • ns1042.ui-dns.de
  • ns1064.ui-dns.biz
  • ns1064.ui-dns.com
MX
Show 7 MX records
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAg78MkZ8zUdSPNuv5ru1ZBfcfl25krjcab9kQWKYS3qbiVw1CGPI9kDgo5vd9Z0j9bJXSccGmAEz0sQLtLFFzlxMNndq61l0FVbm7MO388TnwYPHZ1nvGW6ZxgXQ3kevOmfTslCQPMRD7ujdK5nsHiE7w1XXTbto4uBcF+IbHQbJU/a05X+AtGleVxUmrCy7dgStRtVn4NXLY8nRpkz9VmHdi1zujAuVSci1l6kjY9d5+crprF4eVfgdKRHaLUy9TqXLoNSeTtET7Z+nTlxz/swGIf/J44v+xnHiBY6KSIGZFxY2fTxXr6VE6Tnr4rMf4iFrSpTcmlow7GdELHNbvnwIDAQAB
Verified for
  • Apple
  • Brevo
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 a include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:rua@dmarc.brevo.com
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkHUN4A5QECKLqFKiS/sdbYpcIqh/AtIPvERpz+rUE/yMLjKbTMrdvZIkjR+d8n8iz+FoIewCt8M/3A…
selectors probed

Certificate (current)

R12
from 2026-04-16 to 2026-07-15
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://if-koeln.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
  • cross-origin-resource-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src * 'unsafe-inline' 'unsafe-eval' data: blob: https://www.google.com https://www.gstatic.com;
strict-transport-security
max-age=31536000; includeSubDomains; preload
cross-origin-opener-policy
same-origin-allow-popups
cross-origin-resource-policy
cross-origin

Links to (10)

Linked from (4)

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