edukey.io

.io crawl

First seen 2026-06-01 · Last seen 2026-06-03 · ok HTTP/1.1 200 757 ms crawled 2026-06-02

CZ · 89.221.215.6 · AS197019 WEDOS Internet, a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Klíč k Vašemu školnímu webu | Edukey
Description: Klíč k Vašemu školnímu webu
Language: cs

Open Graph

url: https://edukey.io/
title: Edukey
locale: cs
site name: Edukey
description: Klíč k Vašemu školnímu webu

Technology

Stack: PHP

Analytics

Google Tag Manager

Third-party hosts loaded (2)

www.facebook.com×1
www.googletagmanager.com×1

Contact

Phone

+420733318563

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

10 mail.uspesnyweb.cz

Verified for

Google

Email authentication weak

SPF: v=spf1 a mx -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

YE1

from 2026-05-29 to 2026-08-27

Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://edukey.io/

present

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

findings

CSP allows unsafe inline scripts/styles
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src https: wss: data: blob: 'unsafe-inline' 'unsafe-eval'
strict-transport-security: max-age=31536000;

Links to (1)

uspesnyweb.cz×1