rekuperace.cz

.cz crawl

First seen 2026-05-23 · Last seen 2026-05-28 · ok HTTP/1.1 200 1958 ms crawled 2026-05-28

CZ · 93.185.102.202 · AS43541 VSHosting s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Rekuperace odpadního tepla
Description: Rekuperace odpadního tepla, větrání s rekuperací. Vyberte si ze systémů rekuperace tepla pro rodinné domy.
Language: cs

Open Graph

url: https://www.rekuperace.cz/
title: Rekuperace odpadního tepla
locality: Praha 5
site name: Rekuperace.cz
postal-code: 158 00
country-name: Česká republika
street-address: Bucharova 2641/14

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (3)

c.imedia.cz×1
media.bzcompany.cz×1
www.googletagmanager.com×1

Social

Registration

Registrar

REG-INTERNET-CZ

Created

2000-11-20

Expires

2026-11-20 172 days left

Updated

2021-02-01

Name servers

everesta1.vshosting.cz
ns2.vshosting.cz

DNS records live

NS

everesta1.vshosting.cz
ns2.vshosting.cz

MX

10 mail.rekuperace.cz

Email authentication weak

SPF: v=spf1 mx a ip4:93.185.102.202 ip4:217.16.184.118 ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-21 to 2026-08-19

Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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