studienkreis.de

.de crawl

First seen 2026-04-24 · Last seen 2026-05-18 · ok HTTP/1.1 200 28017 ms crawled 2026-05-18

DE · 193.53.251.228 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Nachhilfe für alle
Description
Nachhilfe beim Studienkreis ► Mathe, Deutsch, Englisch & weitere Fächer ✓ Alle Klassen ✓ Rund 1000 Nachhilfe-Schulen ✓ Jetzt gratis testen!
Language
de
Generator
TYPO3 CMS
Canonical
https://www.studienkreis.de/

Open Graph

title
Nachhilfe für alle
description
Nachhilfe beim Studienkreis ► Mathe, Deutsch, Englisch & weitere Fächer ✓ Alle Klassen ✓ Rund 1000 Nachhilfe-Schulen ✓ Jetzt gratis testen!

Technology

Server
Apache

Third-party hosts loaded (2)

  • www.trustedshops.com×2
  • cdn.optimizely.com×1

Social

Contact

Email
Phone

Registration

Updated
2026-02-12
Name servers
  • a.ns14.net.
  • b.ns14.net.
  • c.ns14.net.
  • d.ns14.net.

DNS records live

NS
  • a.ns14.net
  • b.ns14.net
  • c.ns14.net
  • d.ns14.net
MX
  • 0 studienkreis-de.mail.protection.outlook.com
TXT
Show 4 TXT records
  • atlassian-sending-domain-verification=34666b63-1f46-4c15-b608-88ceba594a19
  • apple-domain-verification=y7__yADjl0byV9R2eVsFxr5mEy3F4KeDdAH8SfSIVXk
  • google-site-verification=gP5TasUoLMFtqIHDT9dwGnFvEEIEsRrOBQh73RmRyCY
  • MS=ms78139238

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com ip4:185.249.168.192/26 ip4:185.249.168.200/26 include:servers.mcsv.net ip4:95.142.67.116 include:spf.mailjet.com include:agenturserver.de include:_spf.rexx-systems.com include:_spf.rexx-suite.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

GlobalSign GCC R6 AlphaSSL CA 2023
from 2025-05-26 to 2026-06-27
Expires in 39 days

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.studienkreis.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 (11)

Linked from (2)