stredniroku.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 393 ms crawled 2026-06-01

GB · 149.255.62.72 · AS34931 Awareness Software Limited

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: StředníRoku.cz
Description: Hlasujte, jak se Vám na Vaší střední studuje!
Language: cs

Open Graph

url: http://stredniroku.cz/
title: StředníRoku.cz
description: Hlasujte, jak se Vám na Vaší střední studuje!

Technology

Server: nginx
Stack: PHP

Analytics

Google Tag Manager

Ads

Meta Pixel

Fonts

Google Fonts

Third-party hosts loaded (4)

cdnjs.cloudflare.com×1
connect.facebook.net×1
fonts.googleapis.com×1
www.googletagmanager.com×1

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.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

TXT

miss.imose.net

Verified for

Google

Email authentication weak

SPF

v=spf1 include:_spf.google.com ~all

softfail (~all)

DMARC

not published

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhrQEWeggL4EperdC01VaZN6Aq4D0AQVghu7iKJTIc2TV8w43YtjXm31I2h0gF72C6oILvSKlrfZodQ…

selectors probed

Certificate (current)

R13

from 2026-04-09 to 2026-07-08

Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://stredniroku.cz/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains; preload