indexo.dev

blue21.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 1233 ms crawled 2026-05-08

DE · 49.13.131.230 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
BLUE 21
Language
de
Generator
Drupal 7 (http://drupal.org)

Technology

Server
Apache
CMS
Drupal
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • unfairtobacco.org×10
  • foodjustice.de×6
  • fonts.googleapis.com×1
  • www.w3.org×1

Social

Registration

Updated
2025-11-25
Name servers
  • ns2.jpberlin.de.
  • ns3.jpberlin.de.
  • ns.jpberlin.de.

DNS records live

NS
  • ns.jpberlin.de
  • ns2.jpberlin.de
  • ns3.jpberlin.de
MX
  • 10 mx1.heinlein-support.de
  • 10 mx2.heinlein-support.de
  • 20 mx3.heinlein-support.de
  • 50 mx-n.heinlein-support.de

Email authentication partial

SPF
v=spf1 ip4:213.203.238.0/25 ip4:195.10.208.0/24 ip4:91.198.250.0/24 mx include:jpberlin.de ?all
neutral (?all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-06 to 2026-07-05
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://blue21.de/

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

Links to (7)

Linked from (2)