indexo.dev

stdk.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-12 · ok HTTP/1.1 200 4679 ms crawled 2026-05-08

DE · 31.47.241.40 · AS45012 dogado GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Virtuelle Sammelmappe von Gunther Schmidt | www.stdk.de
Description
Private Homepage von Gunther Schmidt zu PalmOS-PDAs, portablen Audiogeräten, Dingen des Alltags sowie Typografie und Layout
Generator
metapad

Technology

Server
nginx

Registration

Updated
2018-08-09
Name servers
  • cns1.cloudpit.de.
  • cns2.cloudpit.com.
  • cns3.cloudpit.io.

DNS records live

NS
  • cns1.cloudpit.de
  • cns2.cloudpit.com
  • cns3.cloudpit.io
MX
  • 10 mx1.configcenter.info
  • 10 mx2.configcenter.info
  • 10 mx3.configcenter.info
  • 10 mx4.configcenter.info
  • 10 mx5.configcenter.info
TXT
  • v=spf2.0/pra mx ip4:87.253.162.0/24 ip4:109.75.110.0/23 ip4:31.47.240.0/20 ip4:62.93.4.0/22 ip4:91.203.108.0/22 ip4:212.48.119.192/27 include:secure-mailgate.com -all

Email authentication weak

SPF
v=spf1 mx ip4:87.253.162.0/24 ip4:109.75.110.0/23 ip4:31.47.240.0/20 ip4:62.93.4.0/22 ip4:91.203.108.0/22 ip4:212.48.119.192/27 include:secure-mailgate.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-04-30 to 2026-11-15
Expires in 178 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (2)