iv-nakladatelstvi.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 911 ms crawled 2026-05-30

DE · 185.159.123.137 · AS200548 webhoster.de AG

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

IV-Nakladatelství s.r.o.

Description

✅ Deutscher Fachverlag für polizeibezogene Publikationen – Informativ. Aktiv. Präventiv.

Language

cs-CZ

Generator

Joomla! - Open Source Content Management

Feeds

IV-Nakladatelství s.r.o. RSS
IV-Nakladatelství s.r.o. Atom

Technology

Server: LiteSpeed
CMS: Joomla
PHP: 8.3.31 security-only

Third-party hosts loaded (1)

code.jquery.com×1

DNS records live

NS

dns.webhosternameserver.com
dns.webhosternameserver.de
dns.webhosternameserver.net

MX

10 mail.iv-group.info

Email authentication partial

SPF

v=spf1 mx ip4:80.120.210.134 ip4:80.120.210.133 ip4:80.120.210.132 ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:it-department@iv-group.info; ruf=mailto:it-department@iv-group.info; fo=1;

policy: none (monitoring only)

DKIM

default: v=DKIM1; k=rsa; n=2048; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/zR7qDDPxVsVMpXyXJUKfaIPH5iliDhAcmS9oPVl6HFBLsPbLUUE2cjzkF2K8bYOH1n2NB…

selectors probed

Certificate (current)

R12

from 2026-04-12 to 2026-07-11

Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://iv-nakladatelstvi.cz/

present

x-frame-options
x-content-type-options
referrer-policy
cross-origin-opener-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
cross-origin-opener-policy: same-origin