netsystems.cz

.cz dns crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 458 ms crawled 2026-05-31

CZ · 88.86.110.131 · AS39392 SH.cz s.r.o.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: NetSystems | Tvorba webových stránek, tvorba e-shopů, online marketing, hosting
Description: Tvoříme moderní responzivní webové stránky a e-shopy na vlastním redakčním systému. Zajišťujeme online marketing pro úspěšné weby.
Language: cs-CZ

Open Graph

url: https://www.netsystems.cz
title: NetSystems | Tvorba webových stránek, tvorba e-shopů, online marketing, hosting
locale: cs_CZ
site name: netsystems.cz

Technology

Server: Apache
Stack: PHP

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Contact

Email

Phone

+420731513202

Registration

Registrar

REG-INTERNET-CZ

Created

2004-12-01

Expires

2026-11-30 182 days left

Updated

2015-12-01

Name servers

ns.forpsi.cn
ns.forpsi.cz
ns.forpsi.net
ns.forpsi.us

DNS records live

NS

ns.forpsi.cn
ns.forpsi.cz
ns.forpsi.net
ns.forpsi.us

MX

10 mail.n-s.cz
20 mx20.netsystems.cz

Email authentication partial

SPF

v=spf1 mx include:_spf.netsystems.cz ~all

softfail (~all)

DMARC

v=DMARC1; p=none; ruf=mailto:dmarc@netsystems.cz

policy: none (monitoring only)

DKIM

mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDUDVK3pvDkVdtDJLbbxOJAJAGozThV40mW/7fgP8vmcvD9JptIYd9mVYA+JqMNDKFmPiNxvgfmIHx5UePhXc…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2026-02-26 to 2026-12-12

Expires in 194 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.netsystems.cz/

present

strict-transport-security

findings

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

Header values

strict-transport-security: max-age=63072000; preload