indexo.dev

samsobemarketerem.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 1415 ms crawled 2026-06-01

DE · 18.192.109.149 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Sám sobě marketérem | Jan Barbořík | Substack
Description
📨 Chceš dostávat pravidelné tipy a rady, jak začít s online marketingem svépomocí? Prohlédni si archiv a přihlas se k odběru. Click to read Sám sobě marketérem, by Jan Barbořík, a Substack publication with hundreds of subscribers.
Language
en
Canonical
https://www.samsobemarketerem.cz/
Feeds

Open Graph

url
https://www.samsobemarketerem.cz/
title
Sám sobě marketérem | Jan Barbořík | Substack
description
📨 Chceš dostávat pravidelné tipy a rady, jak začít s online marketingem svépomocí? Prohlédni si archiv a přihlas se k odběru. Click to read Sám sobě marketérem, by Jan Barbořík, a Substack publication with hundreds of subscribers.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights

Third-party hosts loaded (3)

  • substackcdn.com×281
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

Social

DNS records live

NS
  • ns1.thinline.cz
  • ns2.thinline.cz
  • ns3.cesky-hosting.eu
MX
  • 10 mx1d10.thinline.cz
  • 20 mx1b20.thinline.cz
TXT
  • ecomail._domainkey.samsobemarketerem.cz

Email authentication weak

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

Certificate (current)

R13
from 2026-05-21 to 2026-08-19
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.samsobemarketerem.cz/

present
  • strict-transport-security
  • content-security-policy
findings
  • CSP uses wildcard sources
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
frame-ancestors 'self' https://*.substack.com https://substack.com
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (9)

Linked from (2)