backauf.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 1568 ms crawled 2026-05-06

DE · 85.13.140.77 · AS34788 Neue Medien Muennich GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
IT-Systemhaus Elmshorn - seit 1983 | Backauf Computer GmbH
Description
Backauf Computer – Ihr inhabergeführtes IT-Systemhaus in Elmshorn seit 1983. Netzwerkmanagement, Cloud & IT-Sicherheit für KMU in Elmshorn & Itzehoe
Language
de
Generator
WordPress 6.9.4
Canonical
https://www.backauf.de/

Open Graph

url
https://www.backauf.de/
title
IT-Systemhaus Elmshorn - seit 1983 | Backauf Computer GmbH
locale
de_DE
site name
Backauf Computer GmbH
description
Backauf Computer – Ihr inhabergeführtes IT-Systemhaus in Elmshorn seit 1983. Netzwerkmanagement, Cloud & IT-Sicherheit für KMU in Elmshorn & Itzehoe

Technology

Server
Apache
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (5)

  • static.teamviewer.com×2
  • www.googletagmanager.com×2
  • de.linkedin.com×1
  • www.facebook.com×1
  • www.instagram.com×1

Social

Contact

Email
Phone

Registration

Updated
2013-12-03
Name servers
  • ns5.kasserver.com.
  • ns6.kasserver.com.

DNS records live

NS
  • ns5.kasserver.com
  • ns6.kasserver.com
MX
  • 10 backauf-de.mail.protection.outlook.com
TXT
  • sophos-domain-verification=7119febac6aa16d1f40cc62e58077f569e1dfab0cd5cbbb36f5432e9edaa6457
  • MS=4B5DEB9E0EDD7DE6AC1C222DC1EE42B29A613BA8
Verified for
  • Atlassian

Email authentication strong

SPF
v=spf1 mx a:mail.backauf.de a:bcrz.backauf.de include:_spf.remote.management include:spf.protection.outlook.com include:spf.emailsignatures365.com ip4:85.13.140.77/32 -all
strict (-all)
DMARC
v=DMARC1; p=reject;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDY19y1aNR8/c/Qigo8C25HUqF9JYz+VZdWoorOVQjGQrqhRKi+ic305shAf2qtXwvy/Y9CMFm8rwCMoHAS7r…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFME8J6WqxNX3/uXgBvdSlRlhd9KGXo2hv3FVICDqqamQiXiPLSbUs8S66j/tB99U31Pos8uCKM4TXhwsyWL…
selectors probed

Certificate (current)

R12
from 2026-03-25 to 2026-06-23
Expires in 33 days

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.backauf.de/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=600000

Links to (5)

Linked from (2)