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jupyter.org
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Categories: Development
The Jupyter Notebook is a web-based interactive computing platform. The notebook combines live code, equations, narrative text, visualizations, interactive dashboards and other media.
Updated: 2026-09-03 16:37
Language: English (default)
Access: Normal
Profile views 11
Outbound visits 6
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 2014, this domain has about 12 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 domain uses the common .org extension, which is not an independent safety signal.
DNS and Email
The lowest TTL is 57 seconds, supporting rapid record changes at the cost of more frequent lookups. 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. SPF and DMARC are configured. DKIM status is unknown.
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 Fastly without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
The meta description has 183 characters and may be shortened in search results. Open Graph is partially configured; og:type is missing. The title has 22 characters, within a common display range. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.
Hosting and Email
Pages, Search and Sharing
| Meta description | The Jupyter Notebook is a web-based interactive computing platform. The notebook combines live code, equations, narrative text, visualizations, interactive dashboards and other media. |
|---|---|
| Canonical URL | https://jupyter.org/ |
| Language | English (default) |
| Twitter Card | Not detected |
Social Sharing Preview
4 fieldsSharing metadata
| og:url | https://jupyter.org |
|---|---|
| og:image | https://jupyter.org/assets/share.png |
| og:title | Project Jupyter |
| og:description | The Jupyter Notebook is a web-based interactive computing platform. The notebook combines live code, equations, narrative text, visualizations, interactive dashboards and other media. |
robots.txt (opens in a new tab)
0 rulesAll bots 0 allowed · 0 disallowed
No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | Key-Systems GmbH |
|---|---|
| Registered | 2014-04-23 |
| Expires | 2030-04-23 |
| Domain status | client transfer prohibited |
| Nameservers | marek.ns.cloudflare.com、vida.ns.cloudflare.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | jupyter.org | 185.199.108.153 | 300 | — |
| A | jupyter.org | 185.199.109.153 | 300 | — |
| A | jupyter.org | 185.199.110.153 | 300 | — |
| A | jupyter.org | 185.199.111.153 | 300 | — |
| AAAA | jupyter.org | 2606:50c0:8000::153 | 57 | — |
| AAAA | jupyter.org | 2606:50c0:8001::153 | 57 | — |
| AAAA | jupyter.org | 2606:50c0:8002::153 | 57 | — |
| AAAA | jupyter.org | 2606:50c0:8003::153 | 57 | — |
| MX | jupyter.org | smtp.google.com | 300 | 1 |
| MX | jupyter.org | mxa.mailgun.org | 300 | 10 |
| MX | jupyter.org | mxb.mailgun.org | 300 | 10 |
| NS | jupyter.org | marek.ns.cloudflare.com | 86400 | — |
| NS | jupyter.org | vida.ns.cloudflare.com | 86400 | — |
| TXT | jupyter.org | google-site-verification=fVlDepxF22JWcfBgNXuupDKogRCzKmILf8pUE2Dmtw4 | 300 | — |
| TXT | jupyter.org | google-site-verification=jYjylQP5dxEXkTnNQ0VFEvcRe18Pf5dzBQFBJJfj4ys | 300 | — |
| TXT | jupyter.org | google-site-verification=wc8MS2293sObUwmOvVySZ2vsG3Uox_sHkb3hwvtyHZw | 300 | — |
| TXT | jupyter.org | v=spf1 include:mailgun.org ~all | 300 | — |
| DMARC | _dmarc.jupyter.org | v=DMARC1; p=none; rua=mailto:[email protected] | 300 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | jupyter.org |
| Issuer | Let's Encrypt |
| Valid until | 2026-11-18T10:47 · Remaining when checked: 75 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
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
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