spn.cz

.cz crawl

First seen 2026-05-16 · Last seen 2026-05-27 · ok HTTP/1.1 200 8225 ms crawled 2026-05-20

CZ · 185.129.138.203 · AS24806 INTERNET CZ, a.s.

Reputation 89/100 weak security headers dmarc monitor-only

sector education type homepage

HTML metadata

Title: Úvod - SPN - Pedagogické nakladatelství
Description: SPN - Pedagogické nakladatelství, a.s.
Language: cs-cz

Open Graph

url: https://www.spn.cz/
title: Úvod - SPN - Pedagogické nakladatelství
locale: cs_CZ
site name: SPN - Pedagogické nakladatelství

Technology

Server: aruba-proxy
CMS: Joomla

Third-party hosts loaded (3)

cdn.jsdelivr.net×2
fonts.e10f949fcaacdb195442bfb5062d59de-gdprlock×1
www.1a3c9a8ebcc58dac607cdcc47329d03d-gdprlock×1

Social

Contact

Email

spn@spn.cz

Phone

+420603495229

Registration

Registrar

REG-INTERNET-CZ

Created

1997-12-08

Expires

2026-10-20 141 days left

Updated

2011-12-16

Name servers

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

DNS records live

NS

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

MX

0 spn-cz.mail.protection.outlook.com

Verified for

Meta
Microsoft 365

Email authentication partial

SPF: v=spf1 ip4:79.98.73.178 mx include:spf.emailkampane.cz include:spf1.c4.cz include:spf2.c4.cz include:spf.protection.outlook.com -all
strict (-all)
DMARC: v=DMARC1; p=none
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

Actalis Domain Validation Server CA G3

from 2025-12-31 to 2027-01-21

Expires in 235 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.spn.cz/

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff