indexo.dev

designdev.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 747 ms crawled 2026-05-31

US · 104.21.70.92 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Děláme internet lepší | Designdev - Děláme internet lepší
Description
Jsme návrháři a vývojáři webů, e-shopů a aplikací.
Feeds

Open Graph

url
https://designdev.cz
title
Děláme internet lepší
site name
Designdev - Děláme internet lepší
description
Jsme návrháři a vývojáři webů, e-shopů a aplikací.

Technology

CDN
Cloudflare
PHP
7.4.33 end of life
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS
  • dell.ns.cloudflare.com
  • joel.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • atlassian-sending-domain-verification=f9d93c8b-00b2-4abb-b335-8e186ef760b7
Verified for
  • Atlassian
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw2gB52BrXNBs0BnqbuY46LF0BndXbnu51RT8EKt0qEAGbaQ0hxFT3aekq32XQ6kmkaYLigdOiusd5B…
selectors probed

Certificate (current)

WE1
from 2026-05-08 to 2026-08-06
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://designdev.cz/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • 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
strict-transport-security
max-age=15552000; includeSubDomains; preload

Links to (7)

Linked from (1)