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emudev.org
Emulator development for education and preservation
At a glance
- Category
- Other
- Language
- English
- Paid-content signal
- No paid content foundObserved
- Registered
- 2008
- Hosting
- CloudflareInferred
- 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. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.
Domain and Registration
Registered in 2008, this domain has about 18 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 NameCheap, Inc., a widely used domain service provider. The domain uses the common .org 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 Cloudflare, indicating managed DNS hosting. MX records point to the Google Workspace 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 public key uses EC with 256 bits. 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 within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: HSTS, CSP, 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. The cf-ray response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers.
Technology Stack Analysis
The public page identifies Cloudflare without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
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 title has 10 characters, within a common display range. A meta description is present, with 51 characters. The observed directives allow indexing and link following.
Hosting and Email
Cloudflare
Google WorkspaceRegistration details
| Registrar | NameCheap, Inc. |
|---|---|
| Registered | 2008-04-30 |
| Expires | 2035-04-30 |
| Domain status | client transfer prohibited |
| Nameservers | burt.ns.cloudflare.com、delilah.ns.cloudflare.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | emudev.org | 104.21.31.44 | 300 | — |
| A | emudev.org | 172.67.174.245 | 300 | — |
| AAAA | emudev.org | 2606:4700:3030::ac43:aef5 | 300 | — |
| AAAA | emudev.org | 2606:4700:3031::6815:1f2c | 300 | — |
| MX | emudev.org | aspmx.l.google.com | 300 | 1 |
| MX | emudev.org | alt1.aspmx.l.google.com | 300 | 20 |
| MX | emudev.org | alt2.aspmx.l.google.com | 300 | 30 |
| MX | emudev.org | aspmx2.googlemail.com | 300 | 40 |
| MX | emudev.org | aspmx3.googlemail.com | 300 | 50 |
| NS | emudev.org | burt.ns.cloudflare.com | 86400 | — |
| NS | emudev.org | delilah.ns.cloudflare.com | 86400 | — |
| TXT | emudev.org | anthropic-domain-verification-7tghy5=LZ72g3caocdYlvmuSS2LQliBl | 300 | — |
| TXT | emudev.org | v=spf1 include:_spf.google.com ~all | 300 | — |
TLS and certificates
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | public, max-age=0, must-revalidate |
| server | cloudflare |
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
| access-control-allow-origin | * |
Identified technologies
Pages, Search and Sharing
| Meta description | Emulator development for education and preservation |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
HTTP 200Unknown
Sitemaps
0No sitemaps found
User reviews (0)