obalkyknih.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 335 ms crawled 2026-06-01

CZ · 195.113.145.13 · AS2852 CESNET z.s.p.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Obálky knih - Databáze obálek knih
Language: cs

Open Graph

url: https://obalkyknih.cz
title: Obálky knih
site name: ObalkyKnih.cz

Technology

Server: nginx
CMS: WordPress
jQuery: 3.7.1

Third-party hosts loaded (14)

akvizice.teamlibrary.cz×1
artistrunalliance.org×1
blsp-at.uk×1
cdn.myshoptet.com×1
commons.wikimedia.org×1
im9.cz×1
pro-torg.ru×1
skyiwredshjnhjgeleladu7m7mgpuxgsnfxzhncwtvmhr7l5bniutayd0.com×1
toplist.cz×1
www.albatrosmedia.cz×1
www.antikavion.cz×1
www.bookport.cz×1
www.czu.cz×1
www.knihcentrum.cz×1

Contact

Email

info@obalkyknih.cz

DNS records live

NS

ns1.obalkyknih.cz
ns2.obalkyknih.cz

MX

10 mail.obalkyknih.cz

Email authentication weak

SPF: v=spf1 +mx ip4:195.113.145.2 ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-25 to 2026-07-24

Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (50)

Linked from (4)