indexo.dev

u21.de

.de crawl

First seen 2026-04-24 · Last seen 2026-05-18 · ok HTTP/1.1 200 15533 ms crawled 2026-05-18

DE · 85.13.165.116 · AS34788 Neue Medien Muennich GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
U21 mediendesign | Webdesign & Typo3 Hannover
Description
U21 mediendesign ist eine 1999 gegründete und inhabergeführte Agentur aus Hannover mit den Schwerpunkten Responsive Webdesign, Typo3 CMS, SEO und SEA.
Language
de
Generator
TYPO3 CMS
Canonical
https://www.u21.de/

Open Graph

url
https://www.u21.de/
title
U21 mediendesign - www.u21.de
site name
U21 mediendesign Hannover
description
U21 ist eine 1999 gegründete und inhabergeführte Mediendesign Agentur aus Hannover mit den Schwerpunkten Responsive Webdesign, Typo3, SEO, SEA und App-Programmierung.

Technology

Server
Apache
Fonts
  • Adobe Fonts

Third-party hosts loaded (1)

  • use.typekit.net×1

Registration

Updated
2021-01-19
Name servers
  • ns5.kasserver.com.
  • ns6.kasserver.com.

DNS records live

NS
  • ns5.kasserver.com
  • ns6.kasserver.com
MX
  • 10 w01b6c0d.kasserver.com

Email authentication strong

SPF
v=spf1 ip4:85.13.165.116 ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:msbl3vua@ag.eu.dmarcadvisor.com;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-26 to 2026-07-25
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.u21.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 (1)

Linked from (1)