mastex.cz

.cz crawl

First seen 2026-05-25 · Last seen 2026-05-31 · ok HTTP/1.1 200 2058 ms crawled 2026-05-29

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Mastex - marketingové řešení na míru
Description: Vytvoříme Vám komplexní marketingovou strategii.
Language: cs

Open Graph

title: Mastex - marketingové řešení na míru
description: Vytvoříme Vám komplexní marketingovou strategii.

Technology

CDN: Cloudflare
jQuery: 3.5.1

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (9)

cdn.prod.website-files.com×33
cdn.jsdelivr.net×4
ajax.googleapis.com×1
d3e54v103j8qbb.cloudfront.net×1
fonts.googleapis.com×1
fonts.gstatic.com×1
iagh.cz×1
www.google.com×1
www.googletagmanager.com×1

Social

Contact

Email

info@mastex.cz

Phone

+420721777519

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

MX

Show 6 MX records

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
15 eakotkozcswpqiyuh5bra3p2oae4wheaxf55qlwaya5h5woyvvga.mx-verification.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Email authentication weak

SPF: v=spf1 include:spf.mailjet.com ?all
neutral (?all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-05-19 to 2026-08-17

Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

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