indexo.dev

humboldt-ka.de

.de crawl dns

First seen 2026-04-13 · Last seen 2026-05-07 · ok HTTP/1.1 200 1806 ms crawled 2026-05-07

DE · 157.90.6.38 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Humboldt-Gymnasium Karlsruhe
Language
de
Generator
WordPress 6.9.4
Canonical
https://www.humboldt-ka.de/index.php/
Feeds

Technology

Server
nginx
CMS
WordPress

Contact

Phone

Registration

Updated
2026-04-22
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
  • 10 mail.humboldt-ka.de
TXT
  • Humboldt-Gymnasium Karlsruhe, Wilhelm-Hausenstein-Allee 22, 76187 Karlsruhe

Email authentication strong

SPF
v=spf1 mx a -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc-report@humboldt-ka.de
policy: reject (enforced)
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtSMHBheX3SCiar6WcwXdI6HSkkbmV3e3XT6zorlehCCn2mUiJwL+FjqPg0CSdWrQz/Ra…
selectors probed

Certificate (current)

R12
from 2026-04-10 to 2026-07-09
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.humboldt-ka.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (2)