indexo.dev

sportbootschule-kolumbus.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 10139 ms crawled 2026-05-17

DE · 202.61.233.186 · AS197540 netcup GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Sportbootschule Kolumbus Stuttgart / Mannheim - Bootsführerschein leicht gemacht - Bootsschule Motorbootschule Stuttgart Neckar Mannheim Rhein Baden-Württemberg
Description
Sportbootschule, Ausbildung im Raum Stuttgart u. Mannheim-mit eigenen Booten
Language
de
Generator
Contao Open Source CMS
Canonical
https://www.sportbootschule-kolumbus.de/

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • kolumbus.veranstaltungsbutler.de×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Updated
2025-09-22
Name servers
  • root-dns.netcup.net.
  • second-dns.netcup.net.
  • third-dns.netcup.net.

DNS records live

NS
  • root-dns.netcup.net
  • second-dns.netcup.net
  • third-dns.netcup.net
MX
  • 10 mail.sportbootschule-kolumbus.de
  • 50 mxe9bc.netcup.net

Email authentication weak

SPF
v=spf1 mx a include:_spf.webhosting.systems ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-25 to 2026-07-24
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.sportbootschule-kolumbus.de/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
Header values
referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
interest-cohort=()
x-content-type-options
nosniff

Links to (4)

Linked from (1)