bookport.cz

.cz crawl

First seen 2026-05-22 · Last seen 2026-05-28 · ok HTTP/1.1 200 1272 ms crawled 2026-05-28

NL · 13.81.7.21 · AS8075 Microsoft Corporation

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Bookport – On-line knihovna pro každého | Bookport
Description: Bookport je služba, která vám umožní číst tisíce knih zcela bez omezení. Číst můžete na vašem počítači, smartphonu i tabletu.
Language: cs

Open Graph

url: https://www.bookport.cz/uvod/
title: BOOKPORT | Neomezené čtení pro každého
locale: cs_CZ
description: Bookport je služba, která vám umožní číst tisíce knih zcela bez omezení. Číst můžete na vašem počítači, smartphonu i tabletu.

Technology

Server: Microsoft-IIS
CMS: Ghost
jQuery: 2.2.4 known XSS (<3.5)
Stack: ASP.NET

Analytics

Google Tag Manager

Third-party hosts loaded (3)

gradabookportumbracocms.azurewebsites.net×2
cdn.speakara.com×1
www.googletagmanager.com×1

Social

Contact

Email

podpora@bookport.cz

DNS records live

NS

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

MX

0 bookport-cz.mail.protection.outlook.com
10 gateway.grada.cz
50 mail-relay-2.nethost.cz

TXT

m5hci853lntvujnts812caq3d9

Verified for

Google
Meta
Microsoft 365

Email authentication partial

SPF

v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:mailgun.org -all

strict (-all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8CSO4GF3Hmrb56SaVX6HAapMgArSFr0RFv1VT612JokCrcSyGMJg7TUpEAsnbnH4P/vy9rCIiYUVRLQbG1…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDN/awLzNWnIv+hfoTQDQGB/tQzlEODPYwyNFG2fDHe80O1xdSvf0mIuZAEo78yxz8FwjH4RE+FtAgw/5roCC7+gk…

selectors probed

Certificate (current)

GeoTrust TLS RSA CA G1

from 2026-05-28 to 2026-11-29

Expires in 181 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.bookport.cz/uvod/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: sameorigin
x-content-type-options: nosniff
content-security-policy: default-src https: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss: 'self' wss://uat.speakara.com https://cdn.speakara.com; script-src https: 'unsafe-inline' 'unsafe-eval' https://cdn.speakara.com; img-src * data:;
strict-transport-security: max-age=31536000; includeSubDomains