triexpert.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 261 ms crawled 2026-06-03

CZ · 194.182.79.166 · AS24806 INTERNET CZ, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Language: cs

Technology

Server: nginx

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×1
fonts.gstatic.com×1
gateway.saimon.ai×1
www.googletagmanager.com×1

DNS records live

NS

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

MX

10 triexpert-cz.mail.protection.outlook.com

Verified for

Google
Microsoft 365

Email authentication weak

SPF: v=spf1 mx include:spf.protection.outlook.com include:spf.active24.com include:_emailing.heureka.cz -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E8

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

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (6)