gyby.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 478 ms crawled 2026-05-30

CZ · 46.28.106.220 · AS197019 WEDOS Internet, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title

Domovská stránka - Gymnázium Brno‑Bystrc

Language

cs

Generator

WordPress 7.0

Canonical

https://gyby.cz/

Feeds

Technology

Server: Apache
CMS: WordPress 7.0

Third-party hosts loaded (2)

cdnjs.cloudflare.com×3
gmpg.org×1

Social

Contact

Email

Phone

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

MX

0 gyby-cz.mail.protection.outlook.com

TXT

Show 10 TXT records

qt33ck5lhvypkmgjvzs7f40z4rr53prc
xvst13pw122wf2tqbmjf7kvn23zwg055
0ym15r0bk53xmv74qm70mp3xsc9xfmsv
5tr0f0nskzq214djvhclzy7g99h51xct
_46ly98hm0f65pi1en985lk8ujqgxeqi
_n14c5uh6f7ogd0pflgf799mq8vm882d
_qmd1vn2752ob6ziqtyomwc0w4tlzqus
_zzfg9u3kvxib7plr29kilasj5vhbatt
dw3ws40m8xwc84jnz3lqkl9q279hsp8h
f6mchdml7dh1l9g0zl3q0z4vmzkf9n7b

Verified for

Google
Google Workspace
Microsoft 365

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 2026-04-18 to 2026-07-17

Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (17)

Linked from (1)

nevim-kam.cz×1