bigy.cz — domain check, WHOIS, DNS & reputation

HTML metadata

Title: Biskupské gymnázium Brno
Language: cs

Open Graph

url: https://bigy.cz/
title: Biskupské gymnázium Brno | Ad optima intenti
locale: cs_CZ
site name: Biskupské gymnázium Brno | Ad optima intenti

Technology

Server: nginx

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×1
fonts.gstatic.com×1

Social

Contact

Email

Address

Registration

Registrar

REG-ACTIVE24

Created

2001-10-19

Expires

2026-10-19 140 days left

Updated

2025-09-01

Name servers

ns.muni.cz
sns.nextra.cz
tau.bigy.cz
tux.bigy.cz

DNS records live

NS

ns.muni.cz
sns.nextra.cz
tux.bigy.cz

MX

10 bigy-cz.mail.protection.outlook.com

TXT

MS=6A4F32D287126C9BC981CBA8E2313AC38BC008D9
autodesk-domain-verification=FvS8Y8Vu-7hW3wnXmm-6

Verified for

Google

Email authentication strong

SPF

v=spf1 ip4:185.33.137.107 ip4:217.69.98.209 ip4:217.69.98.222 ip4:217.69.98.212 ip4:217.69.97.202 ip6:2a00:5800:100:ff::1 ip6:2a00:5800:100:ff::222 ip6:2a00:5800:100:ff::212 ip6:2a00:5800:0:1000::1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; ruf=mailto:abuse@bigy.cz;

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCBjeeU3HeAac5NHhPEmi/Go4QRD9leviiUTdN8MNKEv4P+PcPg638WoqRq39fKubzTuIHWsGfHGpNHsRdTvd…

selectors probed

Certificate (current)

GeoTrust TLS RSA CA G1

from 2026-02-19 to 2026-12-31

Expires in 213 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://bigy.cz/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests; form-action 'none'; default-src 'none'; connect-src 'self'; img-src 'self' blob: data: https://img.youtube.com/; frame-src https://www.youtube-nocookie.com/embed/ https://mapy.com/ https://*.mapy.com/ https://mapy.cz/ https://*.mapy.cz/ https://my.matterport.com; style-src 'self' https://fonts.googleapis.com/ 'unsafe-inline';script-src 'self' 'nonce-m9hlMpvOf1G+ghz3PngMVaArKHrni48Kr0NK9ENo+GxZegARY8j32O9cy3WQDo4s'; font-src https://fonts.gstatic.com/; manifest-src 'self'
strict-transport-security: max-age=31536000

Links to (13)

Linked from (1)

nevim-kam.cz×1