kessler-hirsch.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP/1.1 200 3126 ms crawled 2026-05-14

FR · 92.204.239.175 · AS8972 Host Europe GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

Keßler Rohrleitungsbau Hirsch GmbH

Language

Generator

WordPress 6.8.5

Canonical

https://www.kessler-hirsch.de/

Feeds

Technology

Server: nginx
CMS: WordPress

Fonts

Google Fonts

Third-party hosts loaded (1)

fonts.googleapis.com×4

Registration

Updated

2018-06-14

Name servers

ns1020.ui-dns.org.
ns1040.ui-dns.biz.
ns1045.ui-dns.de.
ns1063.ui-dns.com.

DNS records live

NS

ns1020.ui-dns.org
ns1040.ui-dns.biz
ns1045.ui-dns.de
ns1063.ui-dns.com

MX

10 mx-01-eu-west-1.prod.hydra.sophos.com
20 mx-02-eu-west-1.prod.hydra.sophos.com

TXT

8lgksd77s1391h4vvhc3a0dcg
7htd80rrq2i6l44lscmp2abv1t
sophos-domain-verification=6ee488e3052616ffbb57e49c3bfdbd54dbb911bb

Verified for

GlobalSign
Microsoft 365

Email authentication partial

SPF: v=spf1 ip4:80.147.35.174 include:_spf.prod.hydra.sophos.com include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de -all
strict (-all)
DMARC: v=DMARC1; p=none; rua=mailto:dmarc-report@kessler-hirsch.de; ruf=mailto:dmarc-report@kessler-hirsch.de; fo=0:1:d:s;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2

from 2025-11-19 to 2026-11-21

Expires in 185 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.kessler-hirsch.de/

findings

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