indexo.dev

cnewsletter.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-14 · ok HTTP/1.1 200 796 ms crawled 2026-05-14

DE · 62.159.27.90 · AS3320 Deutsche Telekom AG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
cobra computers brainware GmbH - cobra WEB PRO

Technology

Server
Microsoft-IIS

Registration

Updated
2026-02-04
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 100 mxlb.ispgateway.de

Email authentication weak

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

Certificate (current)

R13
from 2026-05-03 to 2026-08-01
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://cnewsletter.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (2)