indexo.dev

umluva.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 484 ms crawled 2026-05-31

SK · 37.9.175.213 · AS51013 WebSupport s.r.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Úmluva.cz – Srozumitelně každému
Language
cs
Generator
WordPress 7.0
Canonical
https://umluva.cz/
Feeds

Open Graph

url
https://umluva.cz/
title
Domovská stránka - Úmluva.cz
locale
cs
site name
Úmluva.cz
description
Domovská stránka
updated time
2021-12-10T15:53:33+01:00

Technology

Server
openresty
CMS
WordPress 7.0
Analytics
  • Google Tag Manager
Fonts
  • Font Awesome
  • Google Fonts

Third-party hosts loaded (4)

  • use.fontawesome.com×3
  • fonts.googleapis.com×2
  • gmpg.org×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
REG-GRANSY
Created
2016-06-23
Expires
2026-06-22 21 days left
Updated
2023-01-19
Name servers
  • ns2.default.cz
  • ns.default.cz

DNS records live

NS
  • ns.default.cz
  • ns2.default.cz

Email authentication no MX

SPF
v=spf1 include:spf.vizus.cz ?all
neutral (?all)
DMARC
v=DMARC1; p=none; sp=none; adkim=s; aspf=s; pct=100
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-06 to 2026-07-05
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://umluva.cz/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (7)

Linked from (1)