jupyter.org
Project Jupyter | Home
jupyter.org is registered with Key-Systems GmbH since April 24, 2014 (12.5 years). The registration expires on April 24, 2030. The site runs on Plausible, Varnish, Fastly and 4 other technologies. Its email security grade is F. Its SSL certificate is issued by Let's Encrypt and is valid for 68 more days.
- Domain age
- 12.5 yrs
- Technologies
- 7
- Email security
- F
- SSL days left
- 68
Registration
| Registrar | Key-Systems GmbH |
|---|---|
| IANA ID | 269 |
| Registered | April 24, 2014 |
| Expires | April 24, 2030 |
| Updated | August 12, 2026 |
| Status | client transfer prohibited |
| Name servers | marek.ns.cloudflare.com, vida.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 185.199.108.153 | 211 |
| A | 185.199.109.153 | 211 |
| A | 185.199.111.153 | 211 |
| A | 185.199.110.153 | 211 |
| MX | smtp.google.com 1 | 300 |
| MX | mxa.mailgun.org 10 | 300 |
| MX | mxb.mailgun.org 10 | 300 |
| NS | marek.ns.cloudflare.com | 86400 |
| NS | vida.ns.cloudflare.com | 86400 |
| TXT | google-site-verification=fVlDepxF22JWcfBgNXuupDKogRCzKmILf8pUE2Dmtw4 | 300 |
| TXT | google-site-verification=jYjylQP5dxEXkTnNQ0VFEvcRe18Pf5dzBQFBJJfj4ys | 300 |
| TXT | google-site-verification=wc8MS2293sObUwmOvVySZ2vsG3Uox_sHkb3hwvtyHZw | 300 |
| TXT | v=spf1 include:mailgun.org ~all | 300 |
| AAAA | 2606:50c0:8000::153 | 300 |
| AAAA | 2606:50c0:8002::153 | 300 |
| AAAA | 2606:50c0:8001::153 | 300 |
| AAAA | 2606:50c0:8003::153 | 300 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YR1, Let's Encrypt |
| Expires | January 17, 2027 |
| Days remaining | 68 |
| Protocol | TLSv1.3 |
| Names | jupyter.org |
Email security
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good3 MX record(s) found. Mail is handled by Google Workspace.
Homepage metadata
| Title | Project Jupyter | Home |
|---|---|
| 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. |
| Language | en |
| Canonical | https://jupyter.org/ |
| Indexable | Yes |
| Word count | 516 |
About jupyter.org
Who is the registrar of jupyter.org?
jupyter.org is registered with Key-Systems GmbH (IANA ID 269).
When does jupyter.org expire?
The current registration of jupyter.org expires on April 24, 2030. It was first registered on April 24, 2014.
What technology does jupyter.org use?
We detected 7 technologies on jupyter.org, including Plausible, Varnish, Fastly, jsDelivr, GitHub Pages, HubSpot.
Does jupyter.org protect its email with SPF and DMARC?
jupyter.org scores 48/100 (grade F) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
What are the name servers of jupyter.org?
jupyter.org uses marek.ns.cloudflare.com, vida.ns.cloudflare.com.