indexo.dev

berufskolleg-siegburg.de

.de crawl

First seen 2026-05-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 4181 ms crawled 2026-05-19

FR · 51.195.22.100 · AS16276 OVH SAS

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Berufskolleg Siegburg
Language
de
Generator
TYPO3 CMS
Canonical
/

Technology

Server
nginx

Social

Contact

Phone

Registration

Updated
2016-11-10
Name servers
  • ns1.st-nameserver.de.
  • ns2.st-dns.de.
  • ns3.st-dns.net.

DNS records live

NS
  • ns1.st-nameserver.de
  • ns2.st-dns.de
  • ns3.st-dns.net
MX
  • 10 mx1.simplethings.de
  • 20 mx2.simplethings.de

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-09 to 2026-07-08
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.berufskolleg-siegburg.de/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
Header values
referrer-policy
strict-origin
permissions-policy
camera=(), microphone=()
x-content-type-options
nosniff
content-security-policy
default-src 'self'; script-src 'unsafe-inline' 'unsafe-eval' 'self'; style-src 'unsafe-inline' 'self'; img-src data: blob: 'self' *.googletagmanager.com a.tile.openstreetmap.de; font-src 'self';frame-src 'self' *.youtube.com *.youtube-nocookie.com *.vimeo.com *.etermin.net maps.google.de *.google.com; connect-src 'self' *.etracker.de; script-src-elem 'unsafe-inline' 'self' *.googletagmanager.com *.etracker.com *.etracker.de *.signalize.com; frame-ancestors https://*.etracker.com;
strict-transport-security
max-age=31536000; includeSubDomains

Links to (5)

Linked from (1)