indexo.dev

zelenesrdce-greenheart.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 1580 ms crawled 2026-06-01

CZ · 81.91.86.14 · AS39790 Web4U s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Zelené srdce, Green Heart – Inspirujeme se přírodou, léčíme Zeleným srdcem
Language
cs
Generator
WordPress 6.2.9
Canonical
https://zelenesrdce-greenheart.cz/
Feeds

Open Graph

url
https://zelenesrdce-greenheart.cz/
title
Zelené srdce, Green Heart
locale
cs_CZ
site name
Zelené srdce, Green Heart
description
Inspirujeme se přírodou, léčíme Zeleným srdcem

Technology

Server
openresty
CMS
WordPress 6.2.9
PHP
7.4.33 end of life
jQuery
3.6.4
Fonts
  • Google Fonts
Third-party hosts loaded (7)
  • fonts.googleapis.com×3
  • stats.wp.com×3
  • maps.googleapis.com×2
  • gmpg.org×1
  • secure.gravatar.com×1
  • v0.wordpress.com×1
  • wp.me×1

Contact

Email

Registration

Registrar
REG-WEB4U
Created
2018-04-12
Expires
2027-04-11 311 days left
Updated
2018-04-12
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 smtp.comhal.cz
  • 50 smtp2.comhal.cz

Email authentication partial

SPF
v=spf1 ip4:84.244.88.0/24 ip4:82.99.139.0/24 ip4:85.207.30.0/24 ip4:82.99.133.0/24 ip4:85.207.214.187/32 ip4:81.91.86.9/32 ip4:81.91.86.10/32 mx a -all
strict (-all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

YR2
from 2026-05-28 to 2026-08-26
Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://zelenesrdce-greenheart.cz/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (2)

Linked from (1)