indexo.dev

design4avi.cz

.cz crawl

First seen 2026-05-26 · Last seen 2026-05-26 · ok HTTP/1.1 200 1550 ms crawled 2026-05-30

CZ · 80.79.30.99 · AS24971 MasterDC s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
design4avi.cz | projekční činnost
Language
cs
Feeds

Open Graph

url
https://design4avi.cz/
title
| projekční činnost
locale
cs_CZ
site name
design4avi.cz

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

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

Registration

Registrar
REG-WEB4U
Created
2018-04-06
Expires
2027-04-05 308 days left
Updated
2024-01-29
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 0 design4avi-cz.mail.protection.outlook.com
TXT
  • have-i-been-pwned-verification=a7819a6e8351eeaddb0af9c8044ba58f
  • have-i-been-pwned-verification=489b5606a6496fd4176adaf468bbbcfd
Verified for
  • Cisco
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com ip4:195.250.133.90 ip4:213.195.205.134 -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrBgp4xFX2QYsPhe8bT4RaCCA2UR+tduGWHPw5DB0mlinU36KRRoUNJCbtsSPJp/tN+2E6eu3Y4qo3b86fJW…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAokxJ0roBF7W6hRk0cyj5yrzejOQr2EOxraaKG/Zvwud1qJp/pyGmO+wdyGpTnlgaBtzeXBS4JtRZdg…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

ZeroSSL ECC DV SSL CA 2
from 2026-04-30 to 2026-07-30
Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://design4avi.cz/

present
  • strict-transport-security
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=2629743

Linked from (1)