indexo.dev

sposdk.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-04 · ok HTTP/1.1 200 716 ms crawled 2026-06-04

CZ · 185.129.138.89 · AS24806 INTERNET CZ, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
SPOŠ Dvůr Králové nad Labem – Střední průmyslová škola a Střední odborná škola
Language
cs
Generator
Powered by LayerSlider 7.14.1 - Build Heros, Sliders, and Popups. Create Animations and Beautiful, Rich Web Content as Easy as Never Before on WordPress.
Canonical
https://sposdk.cz/
Feeds

Open Graph

url
https://sposdk.cz/
title
Úvod
site name
SPOŠ Dvůr Králové nad Labem

Technology

Server
aruba-proxy
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×4
  • gmpg.org×1
  • www.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 0 sposdk-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com include:_spf.fxdc.cz -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Actalis Domain Validation Server CA G3
from 2025-10-19 to 2026-11-09
Expires in 158 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sposdk.cz/

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

Links to (9)

Linked from (3)