Visit website
Namecheap
Hosting
Vercel
Location
Walnut, California, United States
🐻 Bear necessities for state management in React
Website profiles · Technology insights · Alternatives
valtio.dev
No paid content found
Categories: Development
Updated: 2026-09-01 09:52
Language: English (default)
Access: Normal
Profile views 1
Outbound visits 1
Website Overview
Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms. 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 2 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 .dev extension, which is not an independent safety signal.
DNS and Email
The observed email authentication setup is incomplete: DMARC is missing. Nameservers are provided by Namecheap, indicating managed DNS hosting. MX records point to the registrar-servers.com email service. No CNAME was found; the observed records resolve directly to addresses. 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
No homepage title was detected; search engines may construct one from other page content. No homepage meta description was detected, leaving snippet selection more dependent on page text. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference. The observed directives allow indexing and link following.
Hosting and Email
Pages, Search and Sharing
| Meta description | Not detected |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
HTTP 404No robots.txt found
Sitemaps
0No sitemaps found
Registration details RDAP / WHOIS
| Registrar | Namecheap Inc. |
|---|---|
| Registered | 2024-08-31 |
| Expires | 2027-08-31 |
| Domain status | client transfer prohibited |
| Nameservers | dns1.registrar-servers.com、dns2.registrar-servers.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | valtio.dev | 76.76.21.21 | 1799 | — |
| MX | valtio.dev | eforward1.registrar-servers.com | 1800 | 10 |
| MX | valtio.dev | eforward2.registrar-servers.com | 1800 | 10 |
| MX | valtio.dev | eforward3.registrar-servers.com | 1800 | 10 |
| MX | valtio.dev | eforward4.registrar-servers.com | 1800 | 15 |
| MX | valtio.dev | eforward5.registrar-servers.com | 1800 | 20 |
| NS | valtio.dev | dns1.registrar-servers.com | 1800 | — |
| NS | valtio.dev | dns2.registrar-servers.com | 1800 | — |
| TXT | valtio.dev | v=spf1 include:spf.efwd.registrar-servers.com ~all | 1800 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | valtio.dev |
| Issuer | Let's Encrypt |
| Valid until | 2026-10-19T11:20 · Remaining when checked: 48 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
- Website Description
- DNS Information
- Website images
Related questions
More questions →No related questions yet.
User reviews (0)