johann-gruppe.de

.de crawl

First seen 2026-04-18 · Last seen 2026-05-14 · ok HTTP/1.1 200 2457 ms crawled 2026-05-12

DE · 83.137.169.76 · AS31521 DOM Digital Online Media GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Johann Gruppe | Premio Reifen + Autoservice
Description
Seit 30 Jahren bietet Premio Johann Service rund um Reifen und Auto, 7x im Rheinland.
Language
de
Generator
Drupal 9 (Aha Drupal Distribution)
Canonical
https://johann-gruppe.de/

Technology

Server
Apache
CMS
Drupal

Social

Registration

Updated
2018-03-14
Name servers
  • ns1.as31521.de.
  • ns2.as31521.net.
  • ns3.as31521.de.

DNS records live

NS
  • ns1.as31521.de
  • ns2.as31521.net
  • ns3.as31521.de
MX
  • 0 johanngruppe-de01e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 63 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://johann-gruppe.de/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (1)

Linked from (4)