stadtwerke-essen.de

.de crawl

First seen 2026-04-12 · Last seen 2026-05-20 · ok HTTP/1.1 200 2054 ms crawled 2026-05-20

DE · 78.46.167.95 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Strom und Gas für Essen - Startseite | Stadtwerke Essen
Description: Die Stadtwerke Essen versorgen die Stadt Essen mit Strom, Erdgas und Wasser. Außerdem kümmern sie sich um das Abwassernetz und den Hafen Essen.
Language: de
Generator: TYPO3 CMS
Canonical: https://www.stadtwerke-essen.de/

Open Graph

site name: Stadtwerke Essen

Technology

Server: Apache

Third-party hosts loaded (1)

code.etracker.com×1

Social

Contact

Phone

Address

Rüttenscheider Straße 27-37, 45128, Essen, DE

Registration

Updated

2025-08-26

Name servers

ns.udag.de.
ns.udag.net.
ns.udag.org.

DNS records live

NS

ns.udag.de
ns.udag.net
ns.udag.org

MX

10 mxbu.essen.de

TXT

MS=A4B6D1651B6CDCFE32A5D1DF691C3B9C0C0654F0

Verified for

Microsoft 365

Email authentication partial

SPF: v=spf1 a mx include:essen.de a:mail.avu.de a:mail01.avu.de a:mailrelay.essen.de ~all
softfail (~all)
DMARC: v=DMARC1; p=none;rua=mailto:dns-dmarc-rua-swe@stadtwerke-essen.de;ruf=mailto:dns-dmarc-ruf-swe@stadtwerke-essen.de;sp=none;rf=afrf;ri=86400;adkim=r;aspf=r
policy: none (monitoring only) · sp=none
DKIM: no key found at common selectors

Certificate (current)

GlobalSign ECC OV SSL CA 2018

from 2025-11-06 to 2026-12-08

Expires in 201 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.stadtwerke-essen.de/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

CSP uses wildcard sources
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src 'self' https://webchat.stadtwerke-essen.de https://wowit.stadtwerke-essen.de; script-src 'self' 'unsafe-eval' https://www.etracker.de https://webchat.stadtwerke-essen.de https://wowit.stadtwerke-essen.de https://maps.googleapis.com https://*.etracker.com https://connect.facebook.net https://www.googleadservices.com https://googleads.g.doubleclick.net https://www.gelsenwasser.de https://gelsenwasser.de https://www.google.com https://*.frcapi.com/ https://www.googletagmanager.com https://www.gstatic.com https://www.lokaleshandwerk.de 'nonce-baf1dc98c6cac816aa72a2d1ac593d5f0ee06457'; script-src-elem 'self' https://*.etracker.com https://www.etracker.de https://webchat.stadtwerke-essen.de https://wowit.stadtwerke-essen.de https://maps.googleapis.com https://connect.facebook.net https://www.googleadservices.com https://googleads.g.doubleclick.net https://www.gelsenwasser.de https://gelsenwasser.de https://snap.licdn.com https://*.frcapi.com/ https://www.googletagmanager.com http
strict-transport-security: max-age=31536000; includeSubDomains