indexo.dev

semsystem.de

.de crawl

First seen 2026-05-16 · Last seen 2026-05-16 · ok HTTP/1.1 200 284 ms crawled 2026-05-20

DE · 5.1.80.118 · AS205948 creoline GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Willkommen - SEM SYSTEM
Description
Willkommen bei SEM SYSTEM, der Experte für kleine und mittelständische Unternehmen im Bereich Online Marketing, Optimierung und Werbung.
Language
de
Generator
WordPress 6.9.4
Canonical
https://semsystem.de/
Feeds

Open Graph

url
https://semsystem.de/
title
Willkommen - SEM SYSTEM
locale
de_DE
site name
SEM SYSTEM
description
Willkommen bei SEM SYSTEM, der Experte für kleine und mittelständische Unternehmen im Bereich Online Marketing, Optimierung und Werbung.

Technology

Server
nginx
CMS
WordPress 6.9.4
PHP
8.3.31 security-only
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×1
  • gmpg.org×1
  • www.googletagmanager.com×1

Contact

Phone

Registration

Updated
2021-06-28
Name servers
  • ns1.creolineserver.com.
  • ns2.creolineserver.com.
  • ns3.creolineserver.com.
  • ns4.creolineserver.com.

DNS records live

NS
  • ns1.creolineserver.com
  • ns2.creolineserver.com
  • ns3.creolineserver.com
  • ns4.creolineserver.com
MX
  • 10 mail.in.creolineserver.de
TXT
  • creoline-domain-verification=a459ad97708ab945de7eb82be4f74d518fcb3f14
  • creoline-verification=a459ad97708ab945de7eb82be4f74d518fcb3f14
  • creoline-domain-verification=a8ed74fb8a093fa95e860242d2e774b901f9e29b
Verified for
  • Brevo
  • Microsoft 365

Email authentication strong

SPF
v=spf1 a mx include:_spf.creoline.de ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:rua.dmarc@creolineserver.de; ruf=mailto:ruf.dmarc@creolineserver.de; rf=afrf; fo=1; pct=100; adkim=s; aspf=s
policy: reject (enforced)
DKIM
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-08-04 to 2026-08-10
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://semsystem.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (5)

Linked from (1)