indexo.dev

matematicka-zumpa.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 136 ms crawled 2026-06-02

CZ · 89.185.235.84 · AS24971 MasterDC s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Matematická žumpa a kouzelný svět matematiky
Language
cs

Technology

Server
Apache

Third-party hosts loaded (1)

  • matematickazumpa.cz×1

DNS records live

NS
  • kikimora.laddobar.cz
  • striga.laddobar.cz
MX
  • 10 kikimora.laddobar.cz

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-01 to 2026-07-30
Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://matematicka-zumpa.cz/

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

Links to (2)

Linked from (1)