indexo.dev

ikap.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-31 · ok HTTP/1.1 200 890 ms crawled 2026-05-30

CZ · 46.36.37.122 · AS42422 SecurityNet.cz s.r.o.

Reputation 67/100 wrong cert no dmarc policy

Classifying

HTML metadata

Title
Elektronická učebnice - ELUC
Language
cs
Canonical
https://eluc.ikap.cz

Open Graph

url
https://eluc.ikap.cz
title
Elektronická učebnice
site name
ELUC

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

DNS records live

NS
  • ns.grdns.cz
  • ns.grdns.it
MX
  • 10 98a2e29b70a063d4.mx2.emailprofi.seznam.cz
  • 20 98a2e29b70a063d4.mx1.emailprofi.seznam.cz
TXT
Show 4 TXT records
  • "google-site-verification=dYxO2JSp3SE7dSCu7B5N276RxIrNeTb-OZ7NzI1Pimo"
  • "v=spf1 include:_spf.google.com ip4:46.227.172.70 ip4:46.234.105.122 include:spf_ovh.rails.cz ~all"
  • "google-site-verification=MlnQMOkg0mYvHaMmcicYTPQKxoSvRS_Q7tBPcm9qKEo"
  • "google-site-verification=bO37g6AtFy-KkGpkF35Q8XmT6BUN8D6sWsXmm9HYkZY"

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • google: ("v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvib5tAqQ2tSf" "rsIOtIEU6sz2+PI…
selectors probed

Certificate (current) wrong cert

E7
from 2026-05-28 to 2026-08-26
Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://eluc.ikap.cz/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Linked from (4)