dobryskutek.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 480 ms crawled 2026-05-31

NL · 20.105.216.25 · AS8075 Microsoft Corporation

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Dobrý skutek
Language: cs

Open Graph

url: /
title: Dobrý skutek
site name: Dobrý skutek

Technology

Server: Microsoft-IIS
jQuery: 3.5.1

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (8)

dobryskutekdevstorage.blob.core.windows.net×8
cdnjs.cloudflare.com×2
vjs.zencdn.net×2
cdn.jsdelivr.net×1
fonts.googleapis.com×1
fonts.gstatic.com×1
www.googletagmanager.com×1
www.termsfeed.com×1

Social

Contact

Email

info@dobryskutek.cz

Phone

+420 731 537 205

Registration

Registrar

REG-INTERNET-CZ

Created

2004-09-24

Expires

2026-09-23 114 days left

Updated

2011-12-17

Name servers

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

DNS records live

NS

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

MX

10 mail.dobryskutek.cz

Verified for

Google

Email authentication weak

SPF

v=spf1 mx a ip4:194.228.235.199 ip4:194.228.235.203 -all

strict (-all)

DMARC

not published

DKIM

k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

GeoTrust TLS RSA CA G1

from 2026-02-23 to 2026-08-24

Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://dobryskutek.cz/

present

strict-transport-security

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=2592000