petrkubej.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 1820 ms crawled 2026-06-02

CZ · 89.221.213.50 · AS197019 WEDOS Internet, a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Tvorba webových stránek a e-learningů | Petr Kuběj – Tvorba webových stránek a e-learningů
Language
cs
Generator
WordPress 6.9.4
Canonical
https://petrkubej.cz/
Feeds

Technology

Server
ATS
CMS
WordPress 6.9.4
jQuery
3.7.1

Third-party hosts loaded (1)

  • gmpg.org×1

Contact

Phone

Registration

Registrar
REG-WEDOS
Created
2019-05-15
Expires
2027-05-14 344 days left
Name servers
  • ns.wedos.com
  • ns.wedos.cz
  • ns.wedos.eu
  • ns.wedos.net

DNS records live

NS
  • ns.wedos.com
  • ns.wedos.cz
  • ns.wedos.eu
  • ns.wedos.net
MX
  • 1 wes1-mx1.wedos.net
  • 1 wes1-mx2.wedos.net
  • 10 wes1-mx-backup.wedos.net

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-05 to 2026-07-04
Expires in 30 days

HTTP security headers

Header hygiene 55/100 Checked live page: https://petrkubej.cz/

present
  • content-security-policy
  • permissions-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")
content-security-policy
upgrade-insecure-requests;

Linked from (1)