简体中文try.ruby-lang.org
Learn to program in Ruby in 30 minutes
At a glance
- Category
- Development
- Language
- English
- Paid-content signal
- No paid content foundObserved
- Registered
- 1999
- Hosting
- FastlyInferred
- 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 1999, this domain has about 27 years of history. That suggests continuity, although ownership and purpose may have changed. The domain uses the common .org extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Cloudflare Email Routing email service. The CNAME points to ruby.github.io, associated with GitHub Pages. SPF and DMARC are configured. DKIM status is unknown. 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 checked browser-security headers were not detected, leaving fewer explicit browser-side safeguards. 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 x-cache, x-served-by, via 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 Bootstrap, Fastly 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 36 characters, within a common display range. A meta description is present, with 38 characters. The observed directives allow indexing and link following.
Hosting and Email
Cloudflare
Fastly
United States
Inferred
185.199.108.153
Registration details
| Registrar | Japan Registry Services Co., Ltd. |
|---|---|
| Registered | 1999-09-16 |
| Expires | 2027-09-16 |
| Domain status | active |
| Nameservers | lochlan.ns.cloudflare.com、rayne.ns.cloudflare.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | ruby.github.io | 185.199.108.153 | 3600 | — |
| A | ruby.github.io | 185.199.109.153 | 3600 | — |
| A | ruby.github.io | 185.199.110.153 | 3600 | — |
| A | ruby.github.io | 185.199.111.153 | 3600 | — |
| AAAA | ruby.github.io | 2606:50c0:8000::153 | 3600 | — |
| AAAA | ruby.github.io | 2606:50c0:8001::153 | 3600 | — |
| AAAA | ruby.github.io | 2606:50c0:8002::153 | 3600 | — |
| AAAA | ruby.github.io | 2606:50c0:8003::153 | 3600 | — |
| MX | ruby-lang.org | route2.mx.cloudflare.net | 300 | 31 |
| MX | ruby-lang.org | route1.mx.cloudflare.net | 300 | 47 |
| MX | ruby-lang.org | route3.mx.cloudflare.net | 300 | 69 |
| NS | ruby-lang.org | lochlan.ns.cloudflare.com | 86400 | — |
| NS | ruby-lang.org | rayne.ns.cloudflare.com | 86400 | — |
| TXT | ruby-lang.org | TICKET-9336 | 300 | — |
| TXT | ruby-lang.org | twufyqeoih | 300 | — |
| TXT | ruby-lang.org | v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all | 300 | — |
| CNAME | try.ruby-lang.org | ruby.github.io | 300 | — |
| DMARC | _dmarc.ruby-lang.org | v=DMARC1;p=none | 300 | — |
TLS and certificates
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | max-age=600 |
| server | GitHub.com |
| access-control-allow-origin | * |
Identified technologies
Pages, Search and Sharing
| Meta description | Learn to program in Ruby in 30 minutes |
|---|---|
| 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
User reviews (0)