indexo.dev

koaliceucebnicovychnakladatelu.cz

.cz crawl

First seen 2026-05-21 · Last seen 2026-05-25 · ok HTTP/1.1 200 1078 ms crawled 2026-05-27

CZ · 185.129.138.60 · AS24806 INTERNET CZ, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Koalice učebnicových nakladatelů
Language
en

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • cdn.jsdelivr.net×2
  • unpkg.com×2
  • www.fraus-klett.cz×1
  • www.googletagmanager.com×1

Contact

Phone

Registration

Registrar
REG-INTERNET-CZ
Created
2020-03-26
Expires
2029-03-25 1028 days left
Updated
2020-03-26
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 koaliceucebnicovychnakladatelu-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx include:spf.protection.outlook.com ip4:31.30.32.226 ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-23 to 2026-08-21
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (16)

Linked from (2)