guesthousesam.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-30 · ok HTTP/1.1 200 393 ms crawled 2026-05-30

CZ · 91.239.200.60 · AS60606 PRO-ZETA a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Ubytování Roudnice n.L.
Description: Ubytování Roudnice n.L. GuestHouseSam
Language: cs

Open Graph

url: https://www.guesthousesam.cz

Technology

Server: nginx
PHP: 7.0.33 end of life
jQuery: 3.3.1 known XSS (<3.5)
Stack: PHP

Analytics

Google Tag Manager

Fonts

Font Awesome
Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×2
use.fontawesome.com×1
www.google.com×1
www.googletagmanager.com×1

Contact

Phone

DNS records live

NS

ns1.thinline.cz
ns2.thinline.cz
ns3.cesky-hosting.eu

MX

10 mx1d10.thinline.cz
20 mx1b20.thinline.cz

Verified for

Google

Email authentication weak

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

Certificate (current)

R12

from 2026-05-26 to 2026-08-24

Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (2)

ultradeveloper.org×1
mapy.cz×1

Linked from (2)

automyckaroudnice.cz×1
ultradeveloper.org×1