sumator.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 583 ms crawled 2026-06-01

FR · 161.97.130.45 · AS51167 Contabo GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Sumator
Description: Informujte se o všech cyklistických závodech a akcích v České republice pomocí kalendáře závodů SUMATOR
Language: cs

Open Graph

title: Kalendář závodů

Technology

Server: nginx

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

unpkg.com×2
fonts.googleapis.com×1
monitoring.algodos.cz×1
www.googletagmanager.com×1

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

MX

10 fdcbfa6290501275.mx1.mojedomena.seznam.cz
10 fdcbfa6290501275.mx2.mojedomena.seznam.cz

Verified for

Google

Email authentication weak

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

Certificate (current)

YR1

from 2026-05-31 to 2026-08-29

Expires in 88 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://sumator.cz/

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff