membex.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 559 ms crawled 2026-06-01

US · 172.67.183.70 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Rezervační systém, CRM a pokladní systém | Membex.cz
Description: Evidence členů a sledování návštěvnosti klubu
Language: cs

Technology

CDN: Cloudflare
jQuery: 3.6.0
Stack: PHP

Analytics

Cloudflare Insights
Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

cdnjs.cloudflare.com×2
www.googletagmanager.com×2
fonts.googleapis.com×1
static.cloudflareinsights.com×1

DNS records live

NS

coraline.ns.cloudflare.com
vick.ns.cloudflare.com

MX

10 datlink2.datleek.cz

Verified for

Google
Meta

Email authentication partial

SPF

v=spf1 mx a include:servers.mcsv.net include:_spf.google.com include:spf.seznam.cz include:_spf.forpsi.com include:helpscoutemail.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; sp=none; pct=100; aspf=r; adkim=r; rua=mailto:dmarc@datleek.cz

policy: none (monitoring only) · sp=none

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1Zkk94wi26BHCPYDdx9ZzG4VG7nxQmoY7WPaNeq7FNm41ToOEqKusZL/HyrZsZd/Owz6WaNbRjGoGr8ciVC…

selectors probed

Certificate (current)

WE1

from 2026-04-23 to 2026-07-22

Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.membex.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=31536000