stadtwerke-dueren.de

HTML metadata

Title: Stadtwerke Düren ⚡ SWD Energieversorgung aus Düren
Description: Zuverlässige Energie der SWD ➔ Strom ➔ Gas ➔ Wasser ➔ Autostrom ➔ Wärmepumpe ✅ Jetzt Tarif der Stadtwerke Düren bestellen
Language: de
Generator: TYPO3 CMS
Canonical: https://www.stadtwerke-dueren.de/privatkunden

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (5)

swd.blackt-cms.de×3
www.googletagmanager.com×3
cdn.consentmanager.net×2
delivery.consentmanager.net×2
integrations.etrusted.com×1

Social

Contact

Email

Phone

Registration

Updated

2022-10-24

Name servers

ns5.adacor.net.
ns.europe.adacor.net.
ns.global.adacor.net.

DNS records live

NS

ns.europe.adacor.net
ns.global.adacor.net
ns5.adacor.net

MX

10 mx09.gisa.de
10 mx10.gisa.de

TXT

Show 8 TXT records

SmX1CzpreQhbRMrPk7fmugoKbhj+BsydERNRsP0ae1oHVqLsFl0BNZqnkSFfm/6Jwf6nGa4SCTr+h6GBI//peQ==
YRYfnmh5Zwb8NnmkmB7ecWG8wnTPVVXpE6v5HgnO1h+QybJzx0EXRXkC5j25b1K1oBYA7sHrvyiDAk/iBO/WAQ==
_telesec-domain-validation=280388_2020-05-19_bvOciW34cLrt3MjPJbBhbzHnFI7vyORMqiw5pDd3DZW2EBse4F
v=spf2.0/pra
zscaler-verification-159484216-03022025-BmWRr
ZA=fTxe737VNuLpxVztb2u2Dh/6INWk8u84d8vrG3bAfRM=
amazonses:owfaIjSsZIuNjrNLcIvhRBfY0iSQ0XeCwaz2F9FzRoM=
knowbe4-site-verification=03d1c0ae8e1bd4fcb90004455e292658

Verified for

Dynamics 365
Google
Microsoft 365

Email authentication partial

SPF

v=spf1 ip4:213.61.69.122/32 ip4:212.45.106.160/27 ip4:88.99.64.201/32 include:spf.gisa.de include:_spf.stadtwerke-dueren.de include:eur.pb-dynmktge.com include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:kl9bhtod@ag.eu.dmarcadvisor.com; ruf=mailto:kl9bhtod@fr.eu.dmarcadvisor.com;

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1KYXmI8ASrrvW/CSNd7AylzH6ISf1CUy6s+qcAGJTekQ/BLcKz9t2LD/VBnhb6lLpncLFJUHNrVG9bjoV6h…

selectors probed

Certificate (current)

E7

from 2026-03-27 to 2026-06-25

Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.stadtwerke-dueren.de/privatkunden

present

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

findings

CSP uses wildcard sources

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
permissions-policy: camera=(), geolocation=(self), gyroscope=(), magnetometer=(), microphone=(), usb=()
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests; default-src 'self'; base-uri 'none'; connect-src 'self' integrations.etrusted.com j.clarity.ms googletagmanager.com gstatic.com collect.stadtwerke-dueren.de googleads.g.doubleclick.net *.google.com api.captchafox.com cdn.captchafox.com www.googletagmanager.com termin.stadtwerke-dueren.de swdcrmprod.powerappsportals.com www.google.com swd.blackt-cms.de customervoice.microsoft.com delivery.consentmanager.net cloud.google.com widgets.kununu.com dueren.rechnungserklaerer.de stadtwerke-dueren-gmbh.onlyfy.jobs eur04.safelinks.protection.outlook.com ecv.microsoft.com https://swd-tracking-server-neu.ey.r.appspot.com/g/collect https://*.trustedshops.com http://*.trustedshops.com https://*.etrusted.com http://*.etrusted.com https://*.trustbadge.com http://*.trustbadge.com; font-src 'self' data: https://swd.blackt-cms.de/tarif-rechner/dist/ https://*.trustedshops.com http://*.trustedshops.com; form-action 'self'; frame-ancestors 'self' https:; frame-src 'self' https:; i
strict-transport-security: max-age=15768000; includeSubDomains