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Domain report

lippmann.lu

lippmann.lu ranks in the top 0.36% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 12 distinct hosts observed under it.

Explore lippmann.lu in the Web Graph

Connectivity

#474,775harmonic-centrality rank
Top percentile
0.36%
Hosts observed
12

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://lippmann.lu/ answered with HTTP 200.

DNS records

A
  • 109.234.167.241
AAAA
No records found.
MX
  • 0 mail.lippmann.lu.
NS
  • ns1.o2switch.net.
  • ns2.o2switch.net.

Live preview

Screenshot of lippmann.lu

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

Since lippmann.lu 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
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=63072000; includeSubDomains; preload
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://lippmann.lu/HTTP 301

    → https://lippmann.lu/

  2. 2.https://lippmann.lu/HTTP 200

Meta tags

Title
Home - Le Magazine Scientifique
Description
Not set
Canonical
https://lippmann.lu/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
Site Kit by Google 1.190.0
Open Graph title
Home - Le Magazine Scientifique
Open Graph description
Lippmann Le magazine scientifique Qui était Gabriel Lippmann ? Recherche & Connaissances Notre magazine couvre les recherches, les idées et les connaissances les plus importantes et les plus passionnantes en matière de science, de santé, de technologie, d’environnement et de société. Il s’engage à partager des connaissances dignes de confiance, à améliorer notre compréhension du […]
Open Graph image
https://lippmann.lu/wp-content/uploads/2022/11/pexels-romain-kamin-731574.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

Sitemap declared:

  • https://lippmann.lu/sitemap_index.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    Found "wp-content/" in the page's HTML

  • Google Analyticsanalytics

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

Related domains

Similar connectivity

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