fraus.cz

HTML metadata

Title: Nakladatelství Fraus
Description: Vytváříme moderní učebnice pro I. a II. stupeň základních škol, střední a jazykové školy, vydáváme slovníky, pedagogickou a zájmovou literaturu.
Language: cs

Open Graph

url: https://www.fraus.cz/cs
title: Úvod
site name: Nakladatelství Fraus

Technology

Server: xxxxxx
Stack: Java

Analytics

Google Tag Manager

Third-party hosts loaded (2)

maps.google.com×1
www.googletagmanager.com×1

Social

Contact

Email

Phone

Registration

Registrar

REG-INTERNET-CZ

Created

1998-09-09

Expires

2028-10-27 879 days left

Updated

2016-12-12

Name servers

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

DNS records live

NS

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

MX

0 fraus-cz.mail.protection.outlook.com

TXT

MS=8A784DF7E9C8A36C5411C1471B431B803B979A03

Verified for

Google
Meta
Microsoft 365

Email authentication partial

SPF

v=spf1 a include:spf.protection.outlook.com ip4:31.30.32.226 include:spf.smartemailing.cz -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc+596827@smartemailing.cz; fo=1

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5EJdWiyr1lrFfNvL88emMBaCEHk6LI8DihXt/mIK2CBeKZfsFppPh1FP+2ynAaeYt+JpCYAlyjF0ER…

selectors probed

Certificate (current)

E8

from 2026-04-04 to 2026-07-03

Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.fraus.cz

present

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

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing Permissions Policy

Header values

referrer-policy: origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src 'self' *.fg.cz *.fraus.cz *.fraus.com;font-src 'self' data: fonts.gstatic.com *.fg.cz *.google.com *.issuu.com;connect-src 'self' *.gstatic.com *.google.com *.googleapis.com *.google-analytics.com *.googlesyndication.com *.fg.cz *.yandex.ru *.facebook.com *.seznam.cz *.doubleclick.net;script-src 'self' 'unsafe-inline' 'unsafe-eval' *.gstatic.com *.google.com *.google.cz *.googleapis.com *.googletagmanager.com *.google-analytics.com *.googlesyndication.com *.googleadservices.com *.licdn.com *.linkedin.com *.cloudflare.com *.facebook.com *.facebook.net *.fg.cz *.fraus.cz *.fraus.com cdn.jsdelivr.net *.doubleclick.net *.yandex.ru c.imedia.cz *.issuu.com *.seznam.cz;form-action 'self' *.facebook.com *.facebook.net *.fg.cz *.google.com *.issuu.com *.doubleclick.net;frame-src 'self' *.facebook.com *.facebook.net *.youtube.com *.iplatba.cz *.vimeo.com *.fg.cz *.google.com *.issuu.com *.doubleclick.net;child-src 'self' *.facebook.com *.facebook.net *.youtube.com *.iplatba.cz *.vime
strict-transport-security: max-age=31536000