indexo.dev

eklasa.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 879 ms crawled 2026-05-30

SK · 37.9.175.205 · AS51013 WebSupport s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
eKlasa
Language
cs
Canonical
#

Technology

Server
openresty
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • portal.gov.cz×1
  • www.googletagmanager.com×1
  • www.instagram.com×1

Social

Contact

Email

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 0 eklasa-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA07E/q+kcYO/2ZnDmovLPfOgR35fpvZZHlOffV5DG/8lS8qaWYlj2IzdhzNgT275ESNmdLh3rXHgG6H…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm5EBrvvawZj3IraPvfKid/SJmXf8sVaN9HMZt2xZJWEO06ERPsHPnRBnv0txvOu8/f7BRDiEJaDvfj…
selectors probed

Certificate (current)

R13
from 2026-04-18 to 2026-07-17
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)