insion.cz

.cz crawl

First seen 2026-05-21 · Last seen 2026-05-30 · ok HTTP/1.1 200 1164 ms crawled 2026-05-28

CZ · 82.208.14.88 · AS15685 CASABLANCA INT a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Insion - Web-Systems, profi SEO, AI

Description

26+ Years of Web Development, 248+ Managed Systems, 100% Ratiing Insion build Web systems with TOP performance.. Insion - Web-Systems, profi SEO, AI

Language

Canonical

https://insion.cz/en

Translations

Open Graph

url: https://insion.cz/en
title: Insion - Web-Systems, profi SEO, AI
locale: en
site name: Insion.cz
description: 26+ Years of Web Development, 248+ Managed Systems, 100% Ratiing Insion build Web systems with TOP performance.. Insion - Web-Systems, profi SEO, AI

Technology

Server: nginx

Registration

Registrar

REG-TELE3

Created

2017-05-08

Expires

2027-05-07 340 days left

Updated

2017-08-02

Name servers

ns1.tele3.cz
ns2.tele3.cz
ns3.tele3.eu

DNS records live

NS

ns1.tele3.cz
ns2.tele3.cz
ns3.tele3.eu

MX

10 email.brustech.cz

Email authentication weak

SPF: v=spf1 mx a ip4:82.208.14.83 ip4:82.208.14.80 ip4:82.208.14.78 ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-27 to 2026-07-26

Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://insion.cz/en

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options

findings

CSP allows unsafe inline scripts/styles
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src 'self' https:;script-src 'self' 'unsafe-eval' 'unsafe-inline' https:;style-src 'self' 'unsafe-inline' https:
strict-transport-security: max-age=31536000