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Domain report

cui.com

cui.com ranks in the top 0.46% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 10 distinct hosts observed under it.

Explore cui.com in the Web Graph

Connectivity

#614,194harmonic-centrality rank
Top percentile
0.46%
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://cui.com/ answered with HTTP 200.

DNS records

A
  • 40.112.243.55
AAAA
No records found.
MX
  • 0 cui-com.mail.protection.outlook.com.
NS
  • dns1.registrar-servers.com.
  • dns2.registrar-servers.com.
AS
Server in network MICROSOFT-CORP-MSN-AS-BLOCK, AS8075 · United States40.112.243.0/24, which holds 40.112.243.55

Live preview

Screenshot of cui.com

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

Since cui.com 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
no-store, no-cache
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=2592000
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
no-referrer
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://cui.com/HTTP 301

    → https://cui.com/

  2. 2.https://cui.com/HTTP 302

    → https://www.cui.com/

  3. 3.https://www.cui.com/HTTP 302

    → https://www.belfuse.com/redirect?sourceDomain=www.cui.com&sourcePath=/

  4. 4.https://www.belfuse.com/redirect?sourceDomain=www.cui.com&sourcePath=/HTTP 301

    → https://www.belfuse.com/company/brands/cui-inc

  5. 5.https://www.belfuse.com/company/brands/cui-incHTTP 200

Meta tags

Title
CUI Inc. | Bel
Description
Power IoT, industrial automation, medical devices, and consumer electronics with CUI, a Bel group, offering customizable AC-DC power supplies, DC-DC converters, and power adapters.
Canonical
https://www.belfuse.com/company/brands/cui-inc
Robots
Not set
Generator
Not set
Open Graph title
CUI Inc. | Bel
Open Graph description
Power IoT, industrial automation, medical devices, and consumer electronics with CUI, a Bel group, offering customizable AC-DC power supplies, DC-DC converters, and power adapters.
Open Graph image
https://www.belfuse.com/media/images/brands/cui/cui_logo_belfuse.png
Open Graph type
Not set
Twitter card
Not set
Twitter title
CUI Inc. | Bel
Twitter image
https://www.belfuse.com/media/images/brands/cui/cui_logo_belfuse.png

robots.txt

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

No Sitemap declared in 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

Related domains

Similar connectivity

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