indexo.dev

gsg-nk.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-12 · ok HTTP/1.1 200 1102 ms crawled 2026-05-16

DE · 81.169.141.64 · AS6724 Strato GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home
Language
de-de
Generator
Joomla! - Open Source Content Management

Open Graph

url
https://gsg-nk.de/
title
Home
locale
de-DE
site name
GSG

Technology

Server
nginx
CMS
Joomla

Contact

Email
Phone

Registration

Updated
2023-07-26
Name servers
  • ns01.kraemer-it.cloud.
  • ns02.kraemer-it.cloud.

DNS records live

NS
  • ns01.kraemer-it.cloud
  • ns02.kraemer-it.cloud
MX
  • 10 mail01.kraemer-it.cloud
  • 20 mail02.kraemer-it.cloud

Email authentication weak

SPF
v=spf1 a mx include:spfa.kraemer-it.de ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtM67hlMsugfp8crvQvFEfNU1PsS5BfSzf1S6UB/z9NxxfvWOKnRQQcAVLraFDTDnBeMcApgWdNJh8r7o…
selectors probed

Certificate (current)

R13
from 2026-03-23 to 2026-06-21
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://gsg-nk.de/

present
  • strict-transport-security
  • x-frame-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing Content Security Policy
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=15768000; includeSubDomains
cross-origin-opener-policy
same-origin

Linked from (1)