indexo.dev

stredniskola.cz

.cz crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 1537 ms crawled 2026-05-31

CZ · 89.31.42.185 · AS44489 STARNET, s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Úvod | Střední škola informatiky a právních studií
Description
Střední škola nabízí obor Bezpečnostně právní činnost s teoretickými znalostmi a praktickými dovednostmi pro kariéru v bezpečnosti a právu.
Language
cs
Generator
All in One SEO (AIOSEO) 4.9.7.2
Canonical
https://stredniskola.cz/
Feeds

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • fonts.googleapis.com×3
  • calendar.google.com×1
  • fonts.gstatic.com×1
  • gmpg.org×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • dkim: v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFWqe52oQSLm42NzU7GmdveK9+38vH6Th6Oonbyz5rMZ8US4hDC84a2ccyBiCWCkkDNoI+BFYiIr2Vs…
selectors probed

Certificate (current)

YR2
from 2026-05-29 to 2026-08-27
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://stredniskola.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 (1)

Use this data via API

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