indexo.dev

denneprectenychknih.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-29 · ok HTTP/1.1 200 404 ms crawled 2026-05-31

US · 172.67.217.59 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Den nepřečtených knih 2025 | Martinus
Language
cs

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • mrtns.sk×6
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • dahlia.ns.cloudflare.com
  • will.ns.cloudflare.com
MX
  • 5 mailin.mx-hub.cz
  • 5 mailin.mx-hub.eu
  • 5 mailin.mx-hub.net
  • 5 mailin.mx-hub.sk
TXT
  • v=spf2.0/mfrom,pra +a +mx include:_spf2.nameserver.sk -all

Email authentication partial

SPF
v=spf1 a mx include:_spf.nameserver.sk -all
strict (-all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-21 to 2026-07-20
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)