skupinaamper.cz

.cz crawl

First seen 2026-05-22 · Last seen 2026-05-30 · ok HTTP/1.1 200 3555 ms crawled 2026-05-28

CZ · 193.85.190.65 · AS13036 T-Mobile Czech Republic a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Skupina Amper - tvoříme energetickou budoucnost
Description: Skupina Amper - Úvod
Language: en

Open Graph

url: https://www.skupinaamper.cz/
title: Úvod
locale: cs_CZ
site name: Skupina Amper
description: Úvod

Technology

Server: Apache
PHP: 5.6.40 end of life
Stack: PHP

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

Contact

Email

pr@skupinaamper.cz

Registration

Registrar

REG-INTERNET-CZ

Created

2020-02-27

Expires

2027-02-26 270 days left

Updated

2020-02-27

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 skupinaamper-cz.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication weak

SPF

v=spf1 mx ip4:193.85.190.64/32 ip4:193.85.190.65/32 ip4:193.85.190.66/32 ip4:193.85.190.67/32 ip4:193.86.248.140/32 ip4:178.238.36.203/32 include:spf.protection.outlook.com include:spf.smartemailing.cz ~all

softfail (~all)

DMARC

not published

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn6R0cG54PpmYS6ItBhjoiUTV0tEOmiU40MvPiqv4uw+cpI757KilYYouzJiAxPsS6459cou1NpsQih…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
mail: v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvzyj86o/MesoNzTRrqmHpxtJjThe9ITWQERi+g/Ouf8Gv6XWEcMDSUjrTYoJlKA4k68k1xwSKPBZ2l6wWkPnJa…

selectors probed

Certificate (current)

R13

from 2026-04-04 to 2026-07-03

Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.skupinaamper.cz/

findings

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