indexo.dev

grundschulehorn.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 1356 ms crawled 2026-05-07

DE · 81.88.36.51 · AS45012 dogado GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home
Language
de-de
Generator
Joomla! - Open Source Content Management
Feeds

Technology

Server
nginx
CMS
Joomla

Contact

Phone

Registration

Updated
2026-02-07
Name servers
  • cns1.alfahosting.info.
  • cns2.alfahosting.info.
  • cns3.alfahosting.info.

DNS records live

NS
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info
MX
  • 10 mx03.secure-mailgate.com
  • 10 mx04.secure-mailgate.com

Email authentication weak

SPF
v=spf1 a mx include:secure-mailgate.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-06 to 2026-08-04
Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://grundschulehorn.de/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
cross-origin-opener-policy
same-origin

Links to (1)

Linked from (5)