indexo.dev

adenauer-bonn.de

.de crawl

First seen 2026-04-26 · Last seen 2026-05-16 · ok HTTP/1.1 200 1273 ms crawled 2026-05-19

DE · 217.160.0.108 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

sector education type homepage

HTML metadata

Title
Konrad-Adenauer-Gymnasium – der Stadt Bonn
Language
de
Generator
WordPress 6.9.4
Feeds

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • calendar.google.com×1

Registration

Updated
2018-08-14
Name servers
  • ns1076.ui-dns.biz.
  • ns1076.ui-dns.com.
  • ns1076.ui-dns.de.
  • ns1076.ui-dns.org.

DNS records live

NS
  • ns1076.ui-dns.biz
  • ns1076.ui-dns.com
  • ns1076.ui-dns.de
  • ns1076.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-07-25 to 2026-08-09
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://adenauer-bonn.de/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (4)

Linked from (1)