indexo.dev

gbv.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 473 ms crawled 2026-05-30

FR · 135.125.167.188 · AS16276 OVH SAS

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Gymnázium a JŠ Břeclav - Aktuality
Description
Gymnázium a Jazyková škola s právem státní jazykové zkoušky Břeclav, příspěvková organizace - oficiální stránky
Language
cs-cz
Generator
Joomla! - Open Source Content Management
Feeds

Technology

Server
nginx
CMS
Joomla
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • cecelia.ns.cloudflare.com
  • howard.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Apple
  • Microsoft 365

Email authentication weak

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

Certificate (current)

E7
from 2026-05-09 to 2026-08-07
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)