s11.de

.de dns

First seen 2026-05-05 · Last seen 2026-05-16 · ok HTTP/1.1 200 14935 ms crawled 2026-05-18

DE · 157.90.222.165 · AS24940 Hetzner Online GmbH

Reputation 100/100

sector tech type homepage

HTML metadata

Title
Agentur S11 // [ess:onze].design // Köln
Description
Eine Full-Service Webagentur mit Sitz in Köln. Webdesign und Realisation von Webseiten, Portalen, Online-Buchungssystemen auf Basis von Wordpress, OpenCMS, Drupal und Typo3.
Language
de

Open Graph

url
https://www.s11.de
title
Agentur S11 // [ess:onze].design // Köln
description
Full-Service Webagentur mit Sitz in Köln. Webdesign und Realisation.

Technology

Server
Apache

Contact

Email
Phone

Registration

Updated
2024-06-13
Name servers
  • nsa3.schlundtech.de.
  • nsb3.schlundtech.de.
  • nsc3.schlundtech.de.
  • nsd3.schlundtech.de.

DNS records

Email authentication strong

SPF
v=spf1 ip4:136.243.3.160 ip4:65.21.239.237 ip4:136.243.254.231 ip4:157.90.222.165 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; pct=5; rua=mailto:webmaster@viehoff-gruppe.de
policy: quarantine · pct=5
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApvODlXWOGR9gph98/uP7zW0pK3Y9xxr9awRR7IF6NqCzwG72Pgu2hW8D5HXz0d5Ng4Gs81NVorGHFv…
selectors probed

Certificate (current)

R13
from 2026-05-02 to 2026-07-31
Expires in 74 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://s11.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15552000; includeSubDomains

Links to (44)