postovnimuzeum.cz

.cz crawl

First seen 2026-05-19 · Last seen 2026-05-30 · ok HTTP/1.1 200 1221 ms crawled 2026-05-30

CZ · 217.11.242.132 · AS15685 CASABLANCA INT a.s.

Reputation 100/100

Classifying

HTML metadata

Title: Poštovní muzeum NTM
Language: cs

Open Graph

site name: Národní technické muzeum

Technology

CMS: Gatsby
jQuery: 3.2.1 known XSS (<3.5)
Stack: PHP

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

www.ntm.cz×21
fonts.gstatic.com×2
fonts.googleapis.com×1
kookiecheck.cz×1
www.googletagmanager.com×1

Social

Contact

Address: Nové mlýny 2, 110 00 Praha 1

DNS records live

NS

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

Email authentication no MX

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

Certificate (current)

R13

from 2026-03-23 to 2026-06-21

Expires in 21 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.postovnimuzeum.cz/

present

content-security-policy-report-only
x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy-report-only: upgrade-insecure-requests; default-src 'none'; object-src 'self'; media-src 'self'; connect-src 'self'; frame-ancestors 'none'; frame-src https://www.youtube.com; img-src 'self' data: https://www.google-analytics.com https://maps.gstatic.com https://csi.gstatic.com https://maps.googleapis.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; script-src 'self' 'nonce-f500fda4c96a447caadde45d4d522417eaebbbbd' 'sha256-NeueIEO8rwnaeJW0jYHRwrarPP+KzGzhk6xBJ06ntlw=' https://www.google-analytics.com https://maps.googleapis.com https://maps.gstatic.com https://maps.googleapis.com;

Links to (9)

Linked from (1)

ntm.cz×1