indexo.dev

duererschule.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-11 · ok HTTP/1.1 200 2315 ms crawled 2026-05-15

FR · 5.175.14.55 · AS8972 Host Europe GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home - GGS Dürerschule
Language
de
Generator
Contao Open Source CMS

Technology

Server
Apache

Registration

Updated
2021-01-18
Name servers
  • ns63.domaincontrol.com.
  • ns64.domaincontrol.com.

DNS records live

NS
  • ns63.domaincontrol.com
  • ns64.domaincontrol.com
MX
  • 50 mx0.duererschule.de

Email authentication weak

SPF
v=spf1 a mx include:spf.server-he.de -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2026-02-27 to 2027-02-27
Expires in 282 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://duererschule.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

Linked from (2)