invelt.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-30 · ok HTTP/1.1 200 3137 ms crawled 2026-05-30

CZ · 46.28.106.82 · AS197019 WEDOS Internet, a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Invelt – vše pro energetiku
Language
cs-CZ
Generator
Site Kit by Google 1.176.0
Canonical
https://www.invelt.cz/
Translations
  • cs
  • en
Feeds

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×3
  • www.googletagmanager.com×2

Registration

Registrar
REG-QUANTCOM
Created
1997-10-04
Expires
2026-10-28 149 days left
Updated
2017-11-28
Name servers
  • names.dialtelecom.cz
  • sns.dialtelecom.cz

DNS records live

NS
  • names.dialtelecom.cz
  • sns.dialtelecom.cz
MX
  • 10 invelt-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com ip4:195.122.198.124 ip4:195.122.198.120 ip4:46.167.209.30 ip4:212.24.128.3 -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDU6ggWll5NYnfKYvxci4IVso6Xo7Y5TTZzliTOP5kVTZ8Y/KHZAYbLEBzetT8EB23nZDHvKl8mrn07+uFSI22…
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0dRE4iH++ZAAyDwOHtWOD2wlym5AguaKHIE3AOlO4z85CebxJ8Tvqwk1ZwhoUTuXwPbmF2UHsP2Yi+…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtjEOh7obkG/+do9j4Pm64RFuz6iBZAGkyxBTf9Cr+0GzrNuZl4NYV7cCLpsLECjwv4T+qmHrvsNfcX…
selectors probed

Certificate (current)

R12
from 2026-04-09 to 2026-07-08
Expires in 37 days

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.invelt.cz/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
  • cross-origin-opener-policy
  • cross-origin-embedder-policy
  • cross-origin-resource-policy
findings
  • weak frame protection
  • weak content type protection
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN, SAMEORIGIN
permissions-policy
accelerometer=(), autoplay=(), camera=(), cross-origin-isolated=(), display-capture=(self), encrypted-media=(), fullscreen=*, geolocation=(self), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), payment=*, picture-in-picture=*, publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=*, usb=(), xr-spatial-tracking=(), gamepad=(), serial=()
x-content-type-options
nosniff, nosniff
content-security-policy
upgrade-insecure-requests;, upgrade-insecure-requests;
strict-transport-security
max-age=63072000, max-age=63072000
cross-origin-opener-policy
unsafe-none
cross-origin-embedder-policy
unsafe-none; report-to='default'
cross-origin-resource-policy
cross-origin

Links to (2)

Linked from (1)