indexo.dev

gauss-gymnasium.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-06 · ok HTTP/1.1 200 632 ms crawled 2026-05-08

DE · 136.243.37.218 · AS24940 Hetzner Online GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Gauss-Gymnasium Frankfurt (Oder) – Home
Language
de-de
Generator
Joomla! - Open Source Content Management

Technology

Server
Apache
CMS
Joomla

Contact

Phone

Registration

Updated
2008-12-09
Name servers
  • ns1.first-ns.de.
  • robotns2.second-ns.de.
  • robotns3.second-ns.com.

DNS records live

NS
  • ns1.first-ns.de
  • robotns2.second-ns.de
  • robotns3.second-ns.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCKILbEh5bJ1RKJCEjIPikJ3LIcy0k3y9Ac7M//3d6KdB8Oc44jvseLbLh4JNXDO4GD1acFF5QpaJQ8h3esti…
selectors probed

Certificate (current)

E8
from 2026-04-13 to 2026-07-12
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://gauss-gymnasium.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=16000000; includeSubDomains; preload;

Links to (5)

Linked from (1)