indexo.dev

bonn-is.de

.de crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 288 ms crawled 2026-06-02

US · 104.17.69.73 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
BIS · Bonn International School | Early Learning - IB Diploma
Description
Welcome to BIS, a leading IB World School for students ages 3 - 18 years in Bonn, Germany. We empower and inspire each individual to grow and achieve their potential within a global context.
Language
en-US
Canonical
https://www.bonn-is.de/

Open Graph

url
https://www.bonn-is.de/
title
BIS · Bonn International School | Early Learning - IB Diploma
description
Welcome to BIS, a leading IB World School for students ages 3 - 18 years in Bonn, Germany. We empower and inspire each individual to grow and achieve their potential within a global context.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights
  • Google Tag Manager
Cookie consent
  • Termly

Third-party hosts loaded (4)

  • app.termly.io×1
  • ask.ai.finalsite.com×1
  • static.cloudflareinsights.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Updated
2024-09-04
Name servers
  • ns19.domaincontrol.com.
  • ns20.domaincontrol.com.

DNS records live

NS
  • ns19.domaincontrol.com
  • ns20.domaincontrol.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • MS=24F3BDE0B54F1E72655092E9404E890875F3A09A
Verified for
  • Google

Email authentication strong

SPF
v=spf1 ip4:78.35.22.50 include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:kw8rxaqi@ag.eu.dmarcadvisor.com;
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApp0dJ7PhVi53l9ma7+ZwgtFk7gakT991Ved3WPosdfVyIQDnNT8eVgFA1c3n7KsoJ80zgF2NZLfvjy…
selectors probed

Certificate (current)

E8
from 2026-05-07 to 2026-08-05
Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.bonn-is.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self';
strict-transport-security
max-age=31536000

Links to (12)

Linked from (1)