indexo.dev

skolniprogram.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 147 ms crawled 2026-05-30

CZ · 89.235.1.57 · AS29208 Quantcom, a.s.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Škola | školní program
Description
SEO desc
Language
cs

Open Graph

url
http://0000229.domdou.cz/
title
Škola | školní program
site name
Škola | školní program
description
Škola

Technology

Server
Apache
jQuery
2.1.4 known XSS (<3.5)
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • cdnjs.cloudflare.com×1
  • plus.google.com×1
  • www.youtube.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.tele3.cz
  • ns2.tele3.cz
  • ns3.tele3.eu
MX
  • 10 robmail.e-works.cz
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:error@skolniprogram.cz
policy: reject (enforced)
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+g0P59wH0/iqFxND6+BPWdjFEdIPAUzcJ5CjqnT44QeNjQupDgO8EWxD0YLJ/SqH9AfTuoji0…
selectors probed

Certificate (current)

R12
from 2026-05-24 to 2026-08-22
Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

Linked from (5)