kubernetes.io 200
🔒 SSL Valid
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 82d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
Hosting The company and location where this website's server is physically located.Read more →
AWS
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
1/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
15.197.167.90
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 4
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📊 Analytics
Google Analytics
Google Tag Manager
☁️ Hosting
Netlify
📦 JS Library
jQuery
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DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 3.33.186.13515.197.167.90 |
| NS | ns-cloud-a2.googledomains.comns-cloud-a3.googledomains.comns-cloud-a4.googledomains.comns-cloud-a1.googledomains.com |
| MX | 10 alt4.aspmx.l.google.com10 alt3.aspmx.l.google.com5 alt2.aspmx.l.google.com5 alt1.aspmx.l.google.com1 aspmx.l.google.com |
| TXT | v=spf1 include:_spf.google.com mail.kubernetes.io ~all google-site-verification=oPORCoq9XU6CmaR7G_bV00CLmEz-wLGOL7SXpeEuTt8 google-site-verification=qmfDqvHjWJBL78F9saApyW0VFRyymuSMpqMn8gtGmd0 1password-site-verification=SOZCTQ66DFFXVGPOWOHMVDIBVI |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | N/A |
| Registered | N/A |
| Expires | N/A |
| Last Updated | N/A |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | kubernetes.io |
| Issuer | Let's Encrypt |
| Valid From | 2026-08-12 |
| Valid Until | 2026-11-10 (82 days left) |
| SANs (2) | kubernetes.iowww.kubernetes.io |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | Netlify |
| Content-Type | text/html; charset=UTF-8 |
| strict-transport-security | max-age=31536000 |
| cache-control | public,max-age=0,must-revalidate |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 15.197.167.90 |
| Provider | AWS |
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Country | US |
| City | Seattle |
Security Score
F (2/7)
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Sitemap & Robots
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| robots.txt | Found Open |
| Sitemap | Found 17 sitemaps (index) pages |
| Last modified | 2026-08-19T15:58:49+08:00 |
| Disallowed paths |
/legacy/
/v1.0/
/v1.1/
/404/
/404.html
|
Social & Meta Tags
Complete
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| Title | Kubernetes |
| OG Title | Production-Grade Container Orchestration |
| OG Description | Kubernetes, also known as K8s, is an open source system for automating deployment, scaling, and management of containerized applications. It groups containers that make up an application into logical units for easy management and discovery. Kubernetes builds upon 15 years of experience of running production workloads at Google, combined with best-of-breed ideas and practices from the community. Planet scaleDesigned on the same principles that allow Google to run billions of containers a week, Kubernetes can scale without increasing your operations team. |
| OG Image | /images/kubernetes-open-graph.png |
| OG Type | website |
| OG Site Name | Kubernetes |
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | ✓ Present v=spf1 include:_spf.google.com mail.kubernetes.io ~all |
| DMARC | Not set |
| MX Records | 10 → alt4.aspmx.l.google.com 10 → alt3.aspmx.l.google.com 5 → alt2.aspmx.l.google.com 5 → alt1.aspmx.l.google.com 1 → aspmx.l.google.com |