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jenkins.io
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Categories: Development
Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their software
Updated: 2026-09-01 08:25
Language: English (default)
Access: Normal
Profile views 5
Outbound visits 5
Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Page metadata, canonical configuration and social previews work together to provide more consistent search and sharing presentation.
Domain and Registration
Registered in 2012, this domain has about 14 years of history. That suggests continuity, although ownership and purpose may have changed. The registrar is NameCheap, Inc., a widely used domain service provider. The domain uses the common .io extension, which is not an independent safety signal.
DNS and Email
The lowest TTL is 60 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by Azure DNS, indicating managed DNS hosting. DNS and provider evidence indicate traffic passes through the Fastly CDN, which may support caching and traffic distribution. MX records point to the Mailgun email service. CAA records restrict which certificate authorities are authorized to issue certificates.
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 response lacks these common security headers: CSP, Referrer-Policy, Permissions-Policy. 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. No CORS permission header was found, so browsers normally restrict cross-origin script access.
Technology Stack Analysis
The public page identifies jQuery, Bootstrap, Fastly without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
Twitter Card metadata is configured. The title has 7 characters, within a common display range. A meta description is present, with 135 characters. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.
Hosting and Email
Pages, Search and Sharing
| Meta description | Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their software |
|---|---|
| Canonical URL | https://www.jenkins.io/ |
| Language | English (default) |
| Twitter Card | summary_large_image |
Social Sharing Preview
10 fieldsSharing metadata
| og:url | https://www.jenkins.io/ |
|---|---|
| og:type | article |
| og:image | https://www.jenkins.io/images/logo-title-opengraph.png |
| og:title | Jenkins |
| og:description | Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their software |
| twitter:card | summary_large_image |
| twitter:site | @JenkinsCI |
| twitter:image | https://www.jenkins.io/images/logo-title-opengraph.png |
| twitter:title | Jenkins |
| twitter:description | Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their software |
robots.txt (opens in a new tab)
HTTP 404No robots.txt found
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | NameCheap, Inc. |
|---|---|
| Registered | 2012-01-27 |
| Expires | 2027-01-27 |
| Domain status | ok https://icann.org/epp#ok |
| Nameservers | ns1-06.azure-dns.com、ns2-06.azure-dns.net、ns3-06.azure-dns.org、ns4-06.azure-dns.info |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | dualstack.d.sni.global.fastly.net | 151.101.130.133 | 60 | — |
| A | dualstack.d.sni.global.fastly.net | 151.101.194.133 | 60 | — |
| A | dualstack.d.sni.global.fastly.net | 151.101.2.133 | 60 | — |
| A | dualstack.d.sni.global.fastly.net | 151.101.66.133 | 60 | — |
| AAAA | dualstack.d.sni.global.fastly.net | 2a04:4e42:200::645 | 60 | — |
| AAAA | dualstack.d.sni.global.fastly.net | 2a04:4e42:400::645 | 60 | — |
| AAAA | dualstack.d.sni.global.fastly.net | 2a04:4e42:600::645 | 60 | — |
| AAAA | dualstack.d.sni.global.fastly.net | 2a04:4e42::645 | 60 | — |
| MX | jenkins.io | mxa.mailgun.org | 3600 | 10 |
| MX | jenkins.io | mxb.mailgun.org | 3600 | 10 |
| NS | jenkins.io | ns1-06.azure-dns.com | 172800 | — |
| NS | jenkins.io | ns2-06.azure-dns.net | 172800 | — |
| NS | jenkins.io | ns3-06.azure-dns.org | 172800 | — |
| NS | jenkins.io | ns4-06.azure-dns.info | 172800 | — |
| TXT | jenkins.io | _globalsign-domain-verification=b1pmSjP4FyG8hkZunkD3Aoz8tK0FWCje80-YwtLeDU | 298 | — |
| TXT | jenkins.io | google-site-verification=4Z81CA6VzprPWEbGFtNbJwWoZBTGmTp3dk7N0hbt87U | 298 | — |
| TXT | jenkins.io | jetbrains-domain-verification=9memu05gp112di1q7gijggppf | 298 | — |
| TXT | jenkins.io | libera-MjLnxZ2KPqJJnJr6X4WFovAe | 298 | — |
| TXT | jenkins.io | v=spf1 include:mailgun.org include:sendgrid.net include:_spf.google.com ~all | 298 | — |
| CNAME | www.jenkins.io | dualstack.d.sni.global.fastly.net | 300 | — |
| CAA | jenkins.io | 0 issue "amazon.com" | 300 | — |
| CAA | jenkins.io | 0 issue "digicert.com; cansignhttpexchanges=yes" | 300 | — |
| CAA | jenkins.io | 0 issue "globalsign.com" | 300 | — |
| CAA | jenkins.io | 0 issue "godaddy.com" | 300 | — |
| CAA | jenkins.io | 0 issue "letsencrypt.org" | 300 | — |
| CAA | jenkins.io | 0 issue "pki.goog; cansignhttpexchanges=yes" | 300 | — |
| CAA | jenkins.io | 0 issue "sectigo.com" | 300 | — |
| DMARC | _dmarc.jenkins.io | v=DMARC1; p=reject; pct=100;rua=mailto:[email protected] | 3600 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2 |
| Negotiated protocol | TLSv1.2 |
| Certificate subject | www.jenkins.io |
| Issuer | Let's Encrypt |
| Valid until | 2026-10-18T20:57 · Remaining when checked: 48 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html |
| cache-control | max-age=3600, public |
| strict-transport-security | max-age=86400; includeSubDomains; preload |
| x-frame-options | DENY |
| x-content-type-options | nosniff |
Identified technologies
jQueryBootstrapFastly
Recent Updates
- Website images
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