jens-polster.de

.de crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 2195 ms crawled 2026-06-04

DE · 18.156.65.37 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
⌂ - Jens Polster GmbH, Heizung und Sanitär
Description
Heizung Sanitär Bad Renovierung Sanierung Klima Haustechnik Gas Ratingen
Language
de
Generator
Powered by LayerSlider 6.8.2.1 - Multi-Purpose, Responsive, Parallax, Mobile-Friendly Slider Plugin for WordPress.
Canonical
https://jens-polster.de/
Feeds

Open Graph

url
https://jens-polster.de/
title
⌂ - Jens Polster GmbH, Heizung und Sanitär
locale
de_DE
site name
Jens Polster GmbH, Heizung und Sanitär
description
Heizung Sanitär Bad Renovierung Sanierung Klima Haustechnik Gas Ratingen

Technology

Server
openresty
CMS
WordPress
PHP
7.4.33 end of life

Third-party hosts loaded (1)

  • gmpg.org×1

Contact

Email

Registration

Updated
2023-06-01
Name servers
  • docks08.rzone.de.
  • shades08.rzone.de.

DNS records live

NS
  • docks08.rzone.de
  • shades08.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-29 to 2026-06-27
Expires in 22 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://jens-polster.de/

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

Links to (3)

Linked from (1)