rkchalupa.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 1068 ms crawled 2026-06-01

DE · 5.9.202.106 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: RK CHALUPA s.r.o. realitní kancelář Č.Budějovice
Language: cs
Canonical: https://rkchalupa.cz/

Technology

Server: nginx

Third-party hosts loaded (1)

cdn.polyweb.cz×1

Social

Contact

Phone

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

MX

10 posta.rkchalupa.cz

Email authentication weak

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

Certificate (current)

R13

from 2026-04-09 to 2026-07-08

Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://rkchalupa.cz/

present

x-frame-options

findings

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

Header values

x-frame-options: SAMEORIGIN

Links to (5)

Linked from (4)