indexo.dev

cirkel.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-18 · ok HTTP/1.1 200 2333 ms crawled 2026-05-07

DE · 91.190.227.158 · AS42184 TKRZ Stadtwerke GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Cirkel | Baustoffe & Multifunktionale Mineralien
Description
Die Cirkel GmbH & Co.KG aus Haltern produziert Baustoffe wie Porenbeton, Verblender sowie Kalksandsteine und Granulate wie Circolit und Circosil.
Language
de

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • consent.cookiefirst.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Updated
2024-06-19
Name servers
  • nsa5.schlundtech.de.
  • nsb5.schlundtech.de.
  • nsc5.schlundtech.de.
  • nsd5.schlundtech.de.

DNS records live

NS
  • nsa5.schlundtech.de
  • nsb5.schlundtech.de
  • nsc5.schlundtech.de
  • nsd5.schlundtech.de
MX
  • 10 mail03.cirkel.de
  • 20 mail01.cirkel.de
  • 30 mail02.cirkel.de
  • 40 mail.cirkel.de
TXT
  • 202403071132221ebvwwssk7kyo7g5tlampkfy970ra9n11rzwr8ee12mrx4tkq2
  • MS=FA72D432B60A00369A5C952DFC5223BAF3AC27D3

Email authentication strong

SPF
v=spf1 a mx a:osit.biz ip4:156.67.170.50/29 ip4:87.139.135.34 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-08 to 2026-06-06
Expires in 17 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.cirkel.de/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (5)

Linked from (2)