knihy.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 636 ms crawled 2026-06-03

DE · 3.64.245.152 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Knihy.cz - internetové knihkupectví, levné knihy online
Description
JEN TAK SI POHOVĚT... Na e-shopu Knihy.cz pro vás máme přes 60 000 knih skladem. Knihy pro děti i dospělé se slevou až 85 %! Jsme tu pro vás už od roku 1997.
Language
cs
Canonical
https://www.knihy.cz/

Open Graph

url
https://www.knihy.cz/

Technology

Server
nginx
CMS
Ghost
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • images2.patro.cz×122
  • schema.org×122
  • fonts.googleapis.com×2
  • front.boldem.cz×1
  • postback.affiliateport.eu×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-WEBGLOBE
Created
1997-07-12
Expires
2026-10-23 141 days left
Updated
2023-06-26
Name servers
  • ns1.ignum.com
  • ns2.ignum.cz

DNS records live

NS
  • ns.nwt.cz
  • ns2.nwt.cz
MX
  • 10 n1-mx1.ignum.eu
  • 10 n1-mx2.ignum.eu
  • 10 n1-mx3.ignum.eu
  • 10 n1-mx4.ignum.eu
Verified for
  • Google
  • Meta

Email authentication partial

SPF
v=spf1 ip4:109.233.160.130 include:spf.mailgw.patro.cz include:_spf.ignum.eu include:_emailing.heureka.cz include:spf.protection.outlook.com include:spf.boldem.cz include:spf.mail-komplet.cz ip4:185.111.97.35 ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:pv3zabnb@dmarc.boldem.cz
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1YPMfsmi80q6j1vImzFpdvHjinBuKCsznZoCff5pPIr6OKY6iZgFr/UC2B4Zu05l78WZU0KNJUnUNxCoKUp…
selectors probed

Certificate (current)

R12
from 2026-05-06 to 2026-08-04
Expires in 62 days

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.knihy.cz/

present
  • content-security-policy
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing HSTS
  • CSP allows unsafe inline scripts/styles
  • weak frame protection
  • weak content type protection
Header values
referrer-policy
no-referrer, strict-origin-when-cross-origin, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN, SAMEORIGIN
permissions-policy
geolocation=(), microphone=(), camera=()
x-content-type-options
nosniff, nosniff
content-security-policy
default-src 'self' blob: wss: data: https:; script-src 'self' 'unsafe-eval' 'unsafe-inline' blob: data: https:; style-src 'self' 'unsafe-inline' data: https:;
content-security-policy-report-only
default-src 'self' blob: wss: data: https: 'report-sample'; block-all-mixed-content; script-src 'self' 'unsafe-eval' 'unsafe-inline' blob: data: https: 'report-sample'; style-src 'self' 'unsafe-inline' data: https: 'report-sample'; report-uri /nelmio/csp/report

Links to (2)

Linked from (2)