简体中文
Englishfoundation.app
A statement from Foundation.
At a glance
- Category
- Other
- Language
- English
- Paid-content signal
- No paid content foundObserved
- Registered
- 2020
- Hosting
- VercelInferred
- HTTPS certificate trusted
- PassedObserved
- Last updated
Related questions
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Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality.
Domain and Registration
Registered in 2020, this domain has about 6 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is Squarespace Domains II LLC., a widely used domain service provider. The domain uses the common .app extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by Amazon Route 53, indicating managed DNS hosting. MX records point to the Google Workspace email service. SPF and DMARC are configured. DKIM status is unknown. TXT records include verification markers for Google, Apple. 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
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. All six checked browser-security headers are present. Their effectiveness still depends on the policy values and application behavior. No obvious internal addresses or debug information were found in the headers. The Server header contains the custom value Vercel.
Technology Stack Analysis
Unknown
Search and Social Sharing
No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. Twitter Card metadata is configured. The title has 21 characters, within a common display range. A meta description is present, with 28 characters. The observed directives allow indexing and link following.
Hosting and Email
Amazon Route 53
Vercel
Google WorkspaceRegistration details
| Registrar | Squarespace Domains II LLC. |
|---|---|
| Registered | 2020-04-24 |
| Expires | 2027-04-24 |
| Domain status | client delete prohibited、client transfer prohibited |
| Nameservers | ns-1331.awsdns-38.org、ns-1760.awsdns-28.co.uk、ns-435.awsdns-54.com、ns-549.awsdns-04.net |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | 3628cf79b56bba59.vercel-dns-012.com | 216.230.84.129 | 300 | — |
| A | 3628cf79b56bba59.vercel-dns-012.com | 216.230.86.129 | 300 | — |
| MX | foundation.app | aspmx.l.google.com | 3600 | 1 |
| MX | foundation.app | alt1.aspmx.l.google.com | 3600 | 5 |
| MX | foundation.app | alt2.aspmx.l.google.com | 3600 | 5 |
| MX | foundation.app | alt3.aspmx.l.google.com | 3600 | 10 |
| MX | foundation.app | alt4.aspmx.l.google.com | 3600 | 10 |
| NS | foundation.app | ns-1331.awsdns-38.org | 172800 | — |
| NS | foundation.app | ns-1760.awsdns-28.co.uk | 172800 | — |
| NS | foundation.app | ns-435.awsdns-54.com | 172800 | — |
| NS | foundation.app | ns-549.awsdns-04.net | 172800 | — |
| TXT | foundation.app | apple-domain-verification=a8Vx4g797R5zTFaE | 3600 | — |
| TXT | foundation.app | google-site-verification=UJZslpKlyx_g7eQX53GV-tSV3s9o7rM1NEfdEDugFk8 | 3600 | — |
| TXT | foundation.app | v=spf1 include:_spf.google.com -all | 3600 | — |
| CNAME | www.foundation.app | 3628cf79b56bba59.vercel-dns-012.com | 3600 | — |
| DMARC | _dmarc.foundation.app | v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s | 3600 | — |
TLS and certificates
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; includeSubDomains; preload |
| content-security-policy | default-src 'self'; script-src 'self' 'unsafe-inline' https://va.vercel-scripts.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://pbs.twimg.com https://abs.twimg.com; font-src 'self' data:; connect-src 'self' https://vitals.vercel-insights.com https://va.vercel-scripts.com; media-src 'self' https://video.twimg.com; frame-ancestors 'none'; form-action 'self'; base-uri 'self'; object-src 'none'; upgrade-insecure-requests |
| x-frame-options | DENY |
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), usb=(), interest-cohort=(), serial=(), xr-spatial-tracking=() |
| access-control-allow-origin | * |
Identified technologies
Technology stack: Unknown
Pages, Search and Sharing
| Meta description | A statement from Foundation. |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | summary_large_image |
Social Sharing Preview
12 fieldsrobots.txt (opens in a new tab)
1 rulesAll bots 1 allowed · 0 disallowed
- Allow
/
No matching rules.
Sitemaps
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