koordinuj.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 505 ms crawled 2026-06-01

SK · 37.9.175.211 · AS51013 WebSupport s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: KOORDINUJ | Koordinuj.cz - stavební speciál
Language: cs

Technology

Server: openresty

Analytics

Google Tag Manager

Third-party hosts loaded (2)

toplist.cz×1
www.googletagmanager.com×1

Social

Registration

Registrar

REG-ACTIVE24

Created

2013-06-07

Expires

2027-06-06 368 days left

Updated

2026-02-12

Name servers

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

DNS records live

NS

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

MX

10 mailin1.koordinuj.cz
100 mailin2.koordinuj.cz

Email authentication weak

SPF

not published

DMARC

not published

DKIM

mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzMadwK3SGy0Qx4arhYY0doqwjDDhKBvZuTWSwLRdgzDYO1l5boe+KlUq62rg69l9Ubo8fwJEq6Uskg…

selectors probed

Certificate (current)

R12

from 2026-05-08 to 2026-08-06

Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://koordinuj.cz/

present

content-security-policy

findings

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

Header values

content-security-policy: upgrade-insecure-requests