indexo.dev

kts-flensburg.de

.de crawl

First seen 2026-04-12 · Last seen 2026-04-30 · ok HTTP/1.1 200 3524 ms crawled 2026-05-05

DE · 217.160.0.188 · AS8560 IONOS SE

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Kurt-Tucholsky-Schule Flensburg
Language
de

Technology

Server
Apache

Third-party hosts loaded (2)

  • cdn.jsdelivr.net×1
  • p-h-s-druck.eu×1

Registration

Updated
2018-08-11
Name servers
  • ns1048.ui-dns.biz.
  • ns1048.ui-dns.com.
  • ns1048.ui-dns.de.
  • ns1048.ui-dns.org.

DNS records live

NS
  • ns1048.ui-dns.biz
  • ns1048.ui-dns.com
  • ns1048.ui-dns.de
  • ns1048.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de
TXT
  • v=verifydomain MS=8658366
  • v=spf1 include:_spf-eu.ionos.com ~all

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-01-15 to 2027-01-30
Expires in 256 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://kts-flensburg.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (5)

Linked from (1)