ed.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1522 ms crawled 2026-05-30

CZ · 185.129.138.109 · AS24806 INTERNET CZ, a.s.

Reputation 100/100

Classifying

HTML metadata

Language
cs-CZ
Canonical
https://www.ed.cz/
Translations
  • cs
  • en

Technology

Server
aruba-proxy
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • unpkg.com×2
  • www.googletagmanager.com×2
  • maps.googleapis.com×1
  • www.google.com×1

Contact

Phone
Address
DNS eD system (pobočka Praha)

DNS records live

NS
  • ns1.edgroup.eu
  • ns2.edgroup.eu
  • ns4.edgroup.eu
  • ns5.edgroup.eu
MX
  • 0 ed-cz.mail.protection.outlook.com
TXT
  • eDAGooU6s+XhOpTTksyjB2xtbyibybvRrp6WzYUypsbDAxOq5e4UYff1vcc/4p+fKJXIb6s66IngDW2sdrV7ew==
Verified for
  • Apple
  • Atlassian
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx include:elx.cz include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc-reports@edgroup.eu; ruf=mailto:dmarc-reports@edgroup.eu; ri=18000; fo=1
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuXqG3MuQExVWsoanqhkx1LwfYS5soy/OQPIy4fXYSKfen8PJsANH2YtqdYs6iXs7qOeoYt72VIA+XY…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1q8oexNCcCvBE3aXtAn03oiGCTQJ3debL8Fx05fZs2uq0VJuzBYzn+gMhNzPsJbjgS9yYtWsx3sqSM…
selectors probed

Certificate (current)

R12
from 2026-05-17 to 2026-08-15
Expires in 76 days

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.ed.cz/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
findings
  • CSP allows unsafe inline scripts/styles
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
content-security-policy
script-src 'self' data: blob: 'unsafe-inline' 'unsafe-eval' https://unpkg.com/; img-src 'self' data: blob: ; object-src 'self' data: blob: ; frame-src 'self' data: blob: ;
strict-transport-security
max-age=31536000; includeSubdomains; preload

Links to (17)

Linked from (1)