martinkavka.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 363 ms crawled 2026-06-02

US · 104.21.27.208 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Martin Kavka – píšu, učím a bavím se
Description: Osobní stránka Martina Kavky. Tvořím newslettery a podcasty, učím psát s AI a hraju si s češtinou.
Language: cs
Canonical: https://www.martinkavka.cz

Open Graph

url: https://www.martinkavka.cz
title: Martin Kavka – píšu, učím a bavím se
locale: cs_CZ
description: Tvořím newslettery a podcasty, učím psát s AI a hraju si s češtinou.

Technology

CDN: Cloudflare

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×2
fonts.gstatic.com×1

Social

DNS records live

NS

elliott.ns.cloudflare.com
rachel.ns.cloudflare.com

MX

10 30c4c83368d8c3b6.mx2.emailprofi.seznam.cz
20 30c4c83368d8c3b6.mx1.emailprofi.seznam.cz

Email authentication partial

SPF: v=spf1 include:spf.seznam.cz ~all
softfail (~all)
DMARC: v=DMARC1; p=none
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-05-12 to 2026-08-10

Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

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

Links to (14)

Linked from (1)

poradci.cz×1