hertener-stadtwerke.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-18 · ok HTTP/1.1 200 2839 ms crawled 2026-05-07

DE · 85.119.212.44 · AS35227 Hertener Stadtwerke GmbH

Reputation 92/100 no dmarc policy

sector other type homepage

HTML metadata

Title: Hertener Stadtwerke: Als Privatkunde rundum versorgt
Description: Entdecken Sie unseren grenzenlosen Service und zahlreichen Energieprodukte für Endverbraucher bei den Hertener Stadtwerken. Informieren Sie sich hier!
Language: de-de
Canonical: https://www.hertener-stadtwerke.de/privatkunden

Technology

CMS: Gatsby

Third-party hosts loaded (1)

cdn.eye-able.com×2

Social

Contact

Phone

+4923663070

Registration

Updated

2021-12-06

Name servers

ns3-any.123ns.eu.
ns4-any.123ns.de.

DNS records live

NS

ns3-any.123ns.eu
ns4-any.123ns.de

MX

300 mx1.herten.de
300 mx2.herten.de

TXT

offensity-domain-verification=6a54eb18d24ebe4a48a51c0bb5c839f98ac38f47b1847eece72c89312c186abd

Verified for

Google
Microsoft 365

Email authentication partial

SPF: v=spf1 mx include:spf.nl2go.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

GeoTrust TLS RSA CA G1

from 2025-08-05 to 2026-08-05

Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.hertener-stadtwerke.de/privatkunden

present

strict-transport-security
x-content-type-options

findings

missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
strict-transport-security: max-age=31536000