indexo.dev

calla.cz

.cz crawl

First seen 2026-05-13 · Last seen 2026-05-30 · ok HTTP/1.1 200 168 ms crawled 2026-05-29

CZ · 80.79.31.136 · AS24971 MasterDC s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Úvod - calla.cz
Description
Calla - Sdružení pro záchranu prostředí
Language
cs
Feeds

Open Graph

url
https://www.calla.cz/cz/home
title
Úvod
locale
cs_CZ
site name
www.calla.cz
description
Calla - Sdružení pro záchranu prostředí

Technology

Server
Apache
CMS
Gatsby
Analytics
  • Google Tag Manager

Third-party hosts loaded (5)

  • toolkit.ecn.cz×4
  • cdn.jsdelivr.net×3
  • webservis.ecn.cz×2
  • ecnstudio.cz×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-GRANSY
Created
2005-11-14
Expires
2027-11-13 530 days left
Updated
2025-04-24
Name servers
  • ns1.ecn.cz
  • ns2.ecnstudio.cz

DNS records live

NS
  • ns1.ecn.cz
  • ns2.ecnstudio.cz
MX
  • 10 ecnd.ecn.cz
  • 20 ecn4.ecn.cz
  • 30 ecn3.ecn.cz

Email authentication weak

SPF
v=spf1 include:ecn.cz ip4:95.168.206.193 ip4:13.95.144.165 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-09 to 2026-07-08
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (13)

Linked from (4)