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Namecheap
Hosting
Vercel
Google Workspace
Location
United States
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Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, J…
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ui.shadcn.com
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Categories: Development
Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.
Updated: 2026-09-03 15:32
Language: English (default)
Access: Normal
Profile views 8
Outbound visits 7
Website Overview
Page metadata, canonical configuration and social previews work together to provide more consistent search and sharing presentation. An active inbound-mail setup with incomplete authentication may leave the domain more open to impersonation. Provider hosting alone does not close that gap.
Domain and Registration
Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain has about 5 years of registration history; its current configuration provides more context than age alone. The registrar is NameCheap, Inc., a widely used domain service provider. The domain uses the common .com extension, which is not an independent safety signal.
DNS and Email
MX records exist, but SPF, DKIM and DMARC were not detected. Protection against domain impersonation may be incomplete. Nameservers are provided by Namecheap, indicating managed DNS hosting. MX records point to the Google Workspace email service. TXT records include verification markers for Google. Such markers may also remain after a service stops being used. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed.
TLS and Certificates
The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: CSP, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, clickjacking protection. CORS permits any origin to read this response. This is common for public resources; sensitive responses need narrower handling. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. The Server header contains the custom value Vercel.
Technology Stack Analysis
The public page identifies Next.js, Vercel without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
Twitter Card metadata is configured. The title has 49 characters, within a common display range. A meta description is present, with 148 characters. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.
Hosting and Email
Pages, Search and Sharing
| Meta description | Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own. |
|---|---|
| Canonical URL | https://ui.shadcn.com |
| Language | English (default) |
| Twitter Card | summary_large_image |
Social Sharing Preview
9 fieldsSharing metadata
robots.txt (opens in a new tab)
1 rulesAll bots 1 allowed · 0 disallowed
/
No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | NameCheap, Inc. |
|---|---|
| Registered | 2021-09-17 |
| Expires | 2030-09-17 |
| Domain status | client transfer prohibited |
| Nameservers | pdns1.registrar-servers.com、pdns2.registrar-servers.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | cname.vercel-dns.com | 66.33.60.35 | 300 | — |
| A | cname.vercel-dns.com | 76.76.21.123 | 300 | — |
| MX | shadcn.com | smtp.google.com | 1799 | 1 |
| NS | shadcn.com | pdns1.registrar-servers.com | 1800 | — |
| NS | shadcn.com | pdns2.registrar-servers.com | 1800 | — |
| TXT | shadcn.com | google-site-verification=lVu4leS81fQ1fx3NV-eGecDpLLyySL71z30yhURoU2g | 1799 | — |
| CNAME | ui.shadcn.com | cname.vercel-dns.com | 1799 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | ui.shadcn.com |
| Issuer | Let's Encrypt |
| Valid until | 2026-11-04T15:08 · Remaining when checked: 61 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | public, max-age=0, must-revalidate |
| server | Vercel |
| strict-transport-security | max-age=63072000 |
| access-control-allow-origin | * |
Identified technologies
Next.jsVercel
Recent Updates
- DNS Information
- Website images
- Screenshots
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