vokno-plastova-okna.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 940 ms crawled 2026-05-31

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

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: V okno - plastová a hliníková okna a dveře
Description: Hlavní stránka - V okno - plastová a hliníková okna a dveře
Language: cs
Canonical: https://www.vokno-plastova-okna.cz/

Open Graph

title: V okno - plastová a hliníková okna a dveře
site name: V Okno

Technology

Server: openresty
jQuery: 3.6.0
Stack: PHP

Third-party hosts loaded (1)

toplist.cz×1

Contact

Email

Phone

DNS records live

NS

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

MX

10 mailin1.vokno-plastova-okna.cz
100 mailin2.vokno-plastova-okna.cz

Email authentication weak

SPF

v=spf1 include:spf.active24.com include:_spf.m1.websupport.sk ~all

softfail (~all)

DMARC

not published

DKIM

mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxpnL2GJvpTMJ7G8Xu/TQJOFvY7tBtUqTIknXvsL3axaf7E9UesQOvekF0maKOvtZ1nRWVfkoipad4j…

selectors probed

Certificate (current)

R13

from 2026-05-18 to 2026-08-16

Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.vokno-plastova-okna.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