edsystem.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 1448 ms crawled 2026-05-30

CZ · 81.2.194.244 · AS24806 INTERNET CZ, a.s.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

eD system a.s. | Úvod

Language

cs-CZ

Generator

WordPress 6.9.4

Canonical

https://www.edsystem.cz/

Translations

Technology

Server: aruba-proxy
CMS: WordPress 6.9.4
jQuery: 1.11.3 known XSS (<3.5)

Fonts

Google Fonts

Third-party hosts loaded (8)

ajax.googleapis.com×3
cdn.jsdelivr.net×3
fonts.googleapis.com×2
unpkg.com×2
api.mapy.cz×1
profil.edsystem.sk×1
www.edsystem.eu×1
www.edsystem.pl×1

Social

Contact

Email

info@edsystem.cz

DNS records live

NS

ns1.edgroup.eu
ns2.edgroup.eu
ns4.edgroup.eu
ns5.edgroup.eu

MX

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

TXT

DfDM69G0/SFucb3xVwfmuITBNl21GVzJR0aY5Y/HbyLkZf3NwQTbMN2io6ZM12wAmuPKG6S38AFYzJLjCJ1H2A==

Verified for

Apple
Atlassian
Microsoft 365

Email authentication partial

SPF

v=spf1 mx include:spf.protection.outlook.com include:spf.edgroup.eu ip4:185.59.208.36 -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc-reports@edgroup.eu; ruf=mailto:dmarc-reports@edgroup.eu; ri=18000; fo=1

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDko/wYx9m6mG2WIrwN+D3cvkWXO70KI7gSWlzPoARd812XC5ZqOVOVIdt1wy8gJC9L+eACwpQV4jOPYtQQ/+…

selectors probed

Certificate (current)

R13

from 2026-05-15 to 2026-08-13

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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