indexo.dev

250milionu.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 495 ms crawled 2026-05-30

DE · 18.195.131.72 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Škálování firmy ke 250 milionům Kč - kurz zdarma
Description
Škálování firmy ke 250 milionům Kč - kurz zdarma

Open Graph

url
https://250milionu.cz/

Technology

Server
nginx
Stack
PHP
Analytics
  • Google Tag Manager
Social widgets
  • Vimeo Embed

Third-party hosts loaded (4)

  • app-assets.konverzkyapp.cz×33
  • assets.konverzkyapp.cz×3
  • player.vimeo.com×2
  • www.googletagmanager.com×1

DNS records live

NS
  • ns.grdns.cz
  • ns.grdns.it
MX
  • 10 fae8ecb0a11ed834.mx2.emailprofi.seznam.cz
  • 20 fae8ecb0a11ed834.mx1.emailprofi.seznam.cz

Email authentication partial

SPF
v=spf1 include:spf.konverzky.cz include:spf.seznam.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc-rua@konverzky.cz; pct=100; ruf=mailto:dmarc-ruf@konverzky.cz; fo=d; aspf=r; adkim=r
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-13 to 2026-08-11
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://250milionu.cz/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15768000; includeSubdomains; preload

Links to (1)

Linked from (1)