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Domain report

csu.de

csu.de ranks in the top 0.39% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 10 distinct hosts observed under it.

Explore csu.de in the Web Graph

Connectivity

#525,094harmonic-centrality rank
Top percentile
0.39%
Hosts observed
10

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://csu.de/ answered with HTTP 200.

DNS records

A
  • 213.95.220.17
AAAA
No records found.
MX
  • 10 mx00.csu.de.
  • 20 mx01.mucix.net.
NS
  • dns.noris.ch.
  • dns.noris.de.
  • dns.noris.net.

Live preview

Screenshot of csu.de

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

Since csu.de 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)

No RDAP (WHOIS) data is available for csu.de.

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=120
Content-Encoding
Not sent

Security

Content-Security-Policy
frame-ancestors 'self'; block-all-mixed-content
Strict-Transport-Security
max-age=31536000
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://csu.de/HTTP 301

    → https://csu.de/

  2. 2.https://csu.de/HTTP 301

    → https://www.csu.de/

  3. 3.https://www.csu.de/HTTP 200

Meta tags

Title
csu.de – CSU
Description
Die offizielle Webseite der Christlich-Sozialen Union in Bayern e. V.
Canonical
https://www.csu.de/
Robots
Not set
Generator
TYPO3 CMS
Open Graph title
csu.de
Open Graph description
Die offizielle Webseite der Christlich-Sozialen Union in Bayern e. V.
Open Graph image
https://www.csu.de/assets/img/logos/csu-logo-fb.gif
Open Graph type
website
Twitter card
summary
Twitter title
csu.de
Twitter image
Not set

robots.txt

csu.de has no robots.txt.

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

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Similar connectivity

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