kdu.cz

HTML metadata

Technology

Server

Microsoft-IIS

ASP.NET

4.0.30319

jQuery

1.7.2 known XSS (<3.5)

Stack

ASP.NET

Analytics

• Google Tag Manager

Fonts

• Google Fonts

Third-party hosts loaded (6)

• www.facebook.com×2
• www.googletagmanager.com×2
• ajax.googleapis.com×1
• c.imedia.cz×1
• fonts.googleapis.com×1
• walls.io×1

Contact

Email

• info@kdu.cz
• media@kdu.cz
• 148tiskove@kdu.cz

Phone

• 226 205 111
• 226 205 100
• 730 575 148

Registration

Registrar

REG-INTERNET-CZ

Created

1996-05-25

Expires

2026-10-11 130 days left

Updated

2024-02-08

Name servers

• ns.sprinx.com
• ns.sprinx.cz
• ns.sprinx.net

DNS records live

NS

• ns.sprinx.com
• ns.sprinx.cz
• ns.sprinx.net

MX

• 12801 ax.virusfree.cz
• 12817 bx.virusfree.cz
• 12833 cx.spamfree.cz
• 12849 dx.spamfree.cz

TXT

• 65p4nki9rfboipeih8fcsnceqt

Verified for

• Cisco
• Meta
• Microsoft 365

Email authentication partial

SPF

v=spf1 A MX ip4:194.212.89.0/24 ip4:194.212.90.0/24 ip4:82.113.39.42/29 ip4:82.113.53.81 include:seznam.cz include:_spf.eu.sparkpostmail.com include:spf.protection.outlook.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

• selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0jDg+sXbW2BrOJpAokjJHAcqmDL3USZXMKw9L7RMyLXKxIox/CfL7uJLmtH2iYnxIKlNUh3MkcWKey…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.kdu.cz/domu

present

• x-frame-options

findings

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

Links to (4)

• virusfree.cz×1
• senat.cz×1
• psp.cz×1
• novi-lidovci.cz×1

Linked from (1)

• regionalnivydavatelstvi.cz×1