indexo.dev

bildungsurlaub-hamburg.de

.de crawl

First seen 2026-05-02 · Last seen 2026-05-09 · ok HTTP/1.1 200 4147 ms crawled 2026-05-09

FR · 92.205.54.92 · AS21499 Host Europe GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Bildungsfreistellung Hamburg - Bildungsurlaub (Anerkennungsverzeichnis)
Language
de
Canonical
g2677

Technology

Server
nginx

Third-party hosts loaded (1)

  • kursportal.info×1

Registration

Updated
2021-06-07
Name servers
  • ns.udag.de.
  • ns.udag.net.
  • ns.udag.org.

DNS records live

NS
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org
MX
  • 10 mx00.udag.de
  • 20 mx01.udag.de

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-08-03 to 2026-08-29
Expires in 100 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://bildungsurlaub-hamburg.de/g2677

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=86400; includeSubDomains; preload

Links to (3)

Linked from (1)