indexo.dev

gkh.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 457 ms crawled 2026-05-31

CZ · 185.8.237.6 · AS208414 WEDOS Internet, a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Gymnázium Komenského Havířov
Language
cs
Generator
WordPress 6.9.4
Canonical
https://gkh.cz/
Feeds

Technology

Server
Apache
CMS
WordPress 6.9.4
jQuery
3.7.1
Fonts
  • Font Awesome
  • Google Fonts

Third-party hosts loaded (3)

  • use.fontawesome.com×3
  • fonts.googleapis.com×2
  • gmpg.org×1

Social

Contact

Email
Phone

Registration

Registrar
REG-WEDOS
Created
2000-04-05
Expires
2027-04-04 307 days left
Updated
2025-02-06
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 gkh-cz.mail.protection.outlook.com

Email authentication weak

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

Certificate (current)

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

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://gkh.cz/

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests;

Links to (7)

Linked from (1)