indexo.dev

cog.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-12 · ok HTTP/1.1 200 788 ms crawled 2026-05-08

DE · 212.223.139.1 · AS8741 ratiokontakt GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
O-Ringe und Elastomerdichtungen vom Spezialisten| C. Otto Gehrckens GmbH & Co. KG
Description
Experte für O-Ringe und Elastomerdichtungen. Über 45.000 Positionen ab Lager lieferbar. Portfolio: EPDM, FKM, FFKM, NBR, VMQ, PTFE u. v. m.
Language
de-DE
Generator
TYPO3 CMS
Canonical
/
Translations
  • de-at
  • de-de
  • en-gb
  • es-es
  • fr-fr
  • it-it

Open Graph

title
Startseite
site name
C. Otto Gehrckens GmbH & Co. KG
description
Experte für O-Ringe und Elastomerdichtungen. Über 45.000 Positionen ab Lager lieferbar. Portfolio: EPDM, FKM, FFKM, NBR, VMQ, PTFE u. v. m.

Technology

Server
nginx
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

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

Social

Contact

Phone

Registration

Updated
2023-11-09
Name servers
  • ns11.nameserver.de.
  • ns12.nameserver.de.

DNS records live

NS
  • ns11.nameserver.de
  • ns12.nameserver.de
MX
  • 10 mx1867.cog.de
TXT
  • MS=ms16655131
  • MS=A90CC0EAF12FEC89BB1CABD78AAA478EB778F76A
  • apple-domain-verification=MvKFcySaPJQsRofl

Email authentication strong

SPF
v=spf1 a mx include:spf.crsend.com include:_spf.senders.scnem.com include:spf.clustermail.de include:spf.protection.outlook.com include:mailgun.org include:spf-de.emailsignatures365.com ip4:217.7.11.37 ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; adkim=r; aspf=r; rua=mailto:2191086@dmarc.mailgun.org,mailto:ce13d8c0@inbox.ondmarc.com,mailto:dmarc@cog.de; ruf=mailto:2191086@dmarc.mailgun.org,mailto:ce13d8c0@inbox.ondmarc.com;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-12-05 to 2026-12-23
Expires in 217 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.cog.de/

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

Links to (2)

Linked from (2)