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Domain report

nm.cz

nm.cz ranks in the top 0.021% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 78 distinct hosts observed under it.

Explore nm.cz in the Web Graph

Connectivity

#28,271harmonic-centrality rank
Top percentile
0.021%
Hosts observed
78

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://nm.cz/ answered with HTTP 200.

DNS records

A
  • 93.185.100.185
AAAA
No records found.
MX
  • 0 nm-cz.mail.protection.outlook.com.
NS
  • ns.czi.cz.
  • sns.vol.cz.

Live preview

Screenshot of nm.cz

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since nm.cz can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
max-age=600
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=600
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://nm.cz/HTTP 301

    → http://www.nm.cz/

  2. 2.http://www.nm.cz/HTTP 301

    → https://www.nm.cz/

  3. 3.https://www.nm.cz/HTTP 200

Meta tags

Title
Národní muzeum
Description
Canonical
Not set
Robots
index,follow
Generator
Not set
Open Graph title
Not set
Open Graph description
Not set
Open Graph image
https://www.nm.cz/file/eaf1feaf5af2a554f1fc5e4b07f5cfda/3497/HB%20NM_web.jpg
Open Graph type
Not set
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

nm.cz has no robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Google Tag Manageranalytics

    Found "googletagmanager.com/gtm.js" in the page's HTML

  • PHPother

    Cookie set: PHPSESSID

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.