r2.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 1131 ms crawled 2026-06-01

CZ · 83.167.243.44 · AS24971 MasterDC s.r.o.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Titulní stránka | R2.cz
Language: cs

Open Graph

title: Titulní stránka
site name: R2

Technology

Server: nginx
Stack: PHP

Analytics

Google Tag Manager

Third-party hosts loaded (2)

www.googletagmanager.com×2
cdn.cookie-script.com×1

Social

Contact

Email

info@r2.cz

Phone

+420 251 613 215

Registration

Registrar

REG-QUANTCOM

Created

2003-11-04

Expires

2026-11-03 153 days left

Updated

2013-10-11

Name servers

names.dialtelecom.cz
sns.dialtelecom.cz

DNS records live

NS

names.dialtelecom.cz
sns.dialtelecom.cz

MX

10 mail.catherinelife.com

Email authentication partial

SPF

v=spf1 mx mx:catherinelife.com include:spf.itstudio.cz ?all

neutral (?all)

DMARC

v=DMARC1; p=none; sp=none;

policy: none (monitoring only) · sp=none

DKIM

dkim: v=DKIM1; h=sha256; k=rsa; s=email; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCDXeCVoPM0JI8nD3hgKrn0589WkcLl8/SN548nG1MtrCwKFb26laKEOK9dtYuzkL…

selectors probed

Certificate (current)

R12

from 2026-04-28 to 2026-07-27

Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.r2.cz/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

CSP allows unsafe inline scripts/styles

Header values

referrer-policy: unsafe-url
x-frame-options: SAMEORIGIN
permissions-policy: accelerometer=(), camera=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()
x-content-type-options: nosniff
content-security-policy: default-src http: https: 'unsafe-inline' 'unsafe-eval' data: ws:
strict-transport-security: max-age=31536000; includeSubDomains, max-age=31536000;