srdecni-arytmie.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 305 ms crawled 2026-06-04

CZ · 31.30.148.15 · AS16019 Vodafone Czech Republic a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Nadační fond Srdce
Language: cs

Technology

Server: Apache
PHP: 8.2.31 security-only

Analytics

Google Tag Manager

Fonts

Google Fonts

Social widgets

YouTube Embed

Third-party hosts loaded (4)

fonts.googleapis.com×2
fonts.gstatic.com×1
www.googletagmanager.com×1
www.youtube-nocookie.com×1

Social

DNS records live

NS

ns2.wixdns.net
ns3.wixdns.net

MX

10 mail.gransy.com
20 mail2.gransy.com

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E8

from 2026-05-10 to 2026-08-08

Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://srdecni-arytmie.cz/

findings

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

Links to (1)

instagram.com×1

Linked from (1)

ccl.cz×1