indexo.dev

wilhelm-struenker.de

.de crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 1144 ms crawled 2026-05-31

DE · 23.88.62.21 · AS24940 Hetzner Online GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Bauunternehmung Wilhelm Strünker & Co. - Bauunternehmen Bergisch Gladbach
Description
Ihr Partner für Hoch‑, Tief‑ & Kanalbau: Wilhelm Strünker – erfahren, zuverlässig und lokal verwurzelt. Jetzt Projekte besprechen!
Language
de
Generator
Contao Open Source CMS

Technology

Server
Apache
Stack
PHP

Third-party hosts loaded (1)

  • cdn.latzko-websoftware.de×3

Contact

Email

Registration

Updated
2021-01-12
Name servers
  • ns03.domaincontrol.com.
  • ns04.domaincontrol.com.

DNS records live

NS
  • ns03.domaincontrol.com
  • ns04.domaincontrol.com
MX
  • 50 mail.latzko-websoftware.de

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-30 to 2026-07-29
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.wilhelm-struenker.de/start.html

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Linked from (1)

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