behprosvetlusku.cz

.cz crawl

First seen 2026-05-30 · Last seen 2026-06-03 · ok HTTP/1.1 200 748 ms crawled 2026-05-31

CZ · 89.221.216.136 · AS197019 WEDOS Internet, a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: I běhat ve tmě má smysl | Noční běh pro Světlušku 2026
Description: Přihlásit se do závodu. Pozvi na běh i své přátele.
Language: cs

Open Graph

title: I běhat ve tmě má smysl
description: Přihlásit se do závodu. Pozvi na běh i své přátele.

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (3)

c.imedia.cz×3
www.googletagmanager.com×2
www.termsfeed.com×1

Social

DNS records live

NS

ns.web4u.cz
ns2.web4u.cz

MX

10 mail.behprosvetlusku.cz

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-03 to 2026-08-01

Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.behprosvetlusku.cz/

present

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

findings

missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests;
strict-transport-security: max-age=16000000; includeSubDomains; preload;

Links to (11)

Linked from (1)

objevgalaxy.cz×1