indexo.dev

einsteingymnasiumdus.de

.de crawl

First seen 2026-05-01 · Last seen 2026-05-08 · ok HTTP/1.1 200 954 ms crawled 2026-05-08

DE · 95.129.209.231 · AS44700 Haendle & Korte GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Albert-Einstein-Gymnasium Düsseldorf – Das Albert-Einstein-Gymnasium Düsseldorf ist eine staatlich genehmigte Ersatzschule im Ganztagsbetrieb.
Language
de
Generator
WordPress 6.9.4
Canonical
https://einsteingymnasiumdus.de/
Feeds

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Contact

Phone

Registration

Updated
2023-06-13
Name servers
  • ns.ui-global-dns.biz.
  • ns.ui-global-dns.com.
  • ns.ui-global-dns.de.
  • ns.ui-global-dns.org.

DNS records live

NS
  • ns.ui-global-dns.biz
  • ns.ui-global-dns.com
  • ns.ui-global-dns.de
  • ns.ui-global-dns.org
MX
  • 46 alt4.aspmx.l.google.com
  • 47 alt3.aspmx.l.google.com
  • 48 alt2.aspmx.l.google.com
  • 49 alt1.aspmx.l.google.com
  • 50 aspmx.l.google.com

Email authentication weak

SPF
v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmSdwA66iXGdk6+8mSvfssEkSV9hyvrxBn1lNAf0ZKAvwv4QwOkgcMaGg026NqNqg03mfO/Ulxa+lL6…
selectors probed

Certificate (current)

R12
from 2026-03-15 to 2026-06-13
Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://einsteingymnasiumdus.de/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (8)

Linked from (2)