indexo.dev

infoa.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 2834 ms crawled 2026-05-30

CZ · 93.185.97.177 · AS43541 VSHosting s.r.o.

Reputation 100/100

Classifying

HTML metadata

Title
INFOA jazykové učebnice, jazykové hry a knihy pro děti • Infoa
Description
INFOA vydává jazykové učebnice a jazykové hry pro studenty, učitele a širokou veřejnost. Vydáváme rovněž kreativní knihy pro děti.
Language
cs

Technology

Server
Apache
Stack
PHP
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Contact

Email
Phone

DNS records live

NS
  • ns.winet.cz
  • nt.winet.cz
MX
  • 10 mail3.weby.cz

Email authentication strong

SPF
v=spf1 a mx ip4:93.185.97.160/27 ip4:217.16.185.0/24 -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; adkim=s; aspf=s
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-06 to 2026-07-05
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.infoa.cz/

present
  • content-security-policy
  • x-frame-options
findings
  • missing HSTS
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
content-security-policy
default-src 'self'; script-src 'self' 'unsafe-inline' *.google-analytics.com https://www.googleadservices.com https://googleads.g.doubleclick.net https://stats.g.doubleclick.net http://stats.g.doubleclick.net https://www.googletagmanager.com https://consent.cookiefirst.com https://api.cookiefirst.com https://static.hotjar.com https://script.hotjar.com https://www.ppl.cz/ https://api.mapy.cz/ https://www.google.com/ https://www.gstatic.com/ *.googlesyndication.com *.googleads.g.doubleclick.net; frame-src 'self' https://www.ppl.cz/ https://api.dpd.cz/ https://www.google.com/ https://www.googletagmanager.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://consent.cookiefirst.com https://www.googletagmanager.com https://www.ppl.cz/ https://api.mapy.cz/; font-src 'self' https://fonts.gstatic.com https://www.ppl.cz/; img-src 'self' data: blob: https://www.google-analytics.com https://www.google.com/ https://www.google.cz/ https://stats.g.doubleclick.net http://stats.g.

Linked from (1)