indexo.dev

gsd-software.net

.net dns

First seen 2026-05-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 2028 ms crawled 2026-05-19

DE · 185.166.22.229 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
GSD Software Design GmbH - Home
Language
en-US
Generator
TYPO3 CMS
Canonical
/

Technology

Server
Apache

Registration

Registrar
Key-Systems GmbH
Created
2001-09-07
Expires
2026-09-07 109 days left
Updated
2025-11-29
Name servers
  • ns1.domaindiscount24.net
  • ns2.domaindiscount24.net
  • ns3.domaindiscount24.net

DNS records live

NS
  • ns1.domaindiscount24.net
  • ns2.domaindiscount24.net
  • ns3.domaindiscount24.net
MX
  • 10 mx1.agenturserver.de
  • 10 mx2.agenturserver.de
  • 20 mx3.agenturserver.de
  • 50 mx4.agenturserver.de

Email authentication weak

SPF
v=spf1 include:agenturserver.de include:spf.crsend.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-11 to 2026-08-09
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://gsd-software.net/

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

Links to (1)