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debian.org 200
🔒 SSL Valid
✨ About this site
This is the official website of the Debian Project, a widely used and well-established open-source community that develops a prominent Linux-based operating system. It serves millions of individual users, developers, and enterprises globally by providing a stable and free software distribution. The platform is universally recognized as one of the foundational pillars of the modern software ecosystem.
📊 What the data says
The website currently returns an HTTP 200 status and is hosted on an Apache server utilizing Varnish and WML 2.32.0. Security is managed through HSTS and X-Frame-Options headers, and the SSL certificate remains valid until January 12, 2027.
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 84d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 141d
Hosting The company and location where this website's server is physically located.Read more →
Unknown
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
151.101.2.132
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 3
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⚡ Cache
Varnish
🏭 Generator
WML 2.32.0
🖥️ Web Server
Apache
Screenshot
Processing...
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⏳
Screenshot is being captured...
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) | 151.101.66.132151.101.130.132151.101.194.132151.101.2.132 |
| AAAA (IPv6) | 2a04:4e42::6442a04:4e42:200::6442a04:4e42:400::6442a04:4e42:600::644 |
| NS | sec2.rcode0.netnsp.dnsnode.netdns4.easydns.infosec1.rcode0.net |
| MX | 0 muffat.debian.org0 mitropoulos.debian.org0 mailly.debian.org |
| TXT (3) |
Services configured via TXT:
Google2
Show all TXT recordsv=spf1 include:_spf.debian.org ~all google-site-verification=3u3n3jrPTlPrumIxQAl4r0utY6hrkj1_DSvdxjiTSP8 google-site-verification=ZvQZs5Pg8s0z1QdrC74DIZ1J4dPTNcQa8t6apDWXEyc |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Gandi SAS |
| Registered | 1999-03-10 |
| Expires | 2027-03-10 (in 141 days) |
| Last Updated | 2026-08-12 |
| Status | client transfer prohibited |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | www-fastly.debian.org |
| Issuer | Let's Encrypt |
| Valid From | 2026-10-14 |
| Valid Until | 2027-01-12 (84 days left) |
| SANs (2) | debian.orgwww-fastly.debian.org |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | Apache |
| Content-Type | text/html |
| Final URL | https://www.debian.org/ |
| strict-transport-security | max-age=15552000 |
| x-frame-options | sameorigin |
| x-content-type-options | nosniff |
| referrer-policy | no-referrer |
| permissions-policy | interest-cohort=() |
| cache-control | max-age=86400 |
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 | 151.101.2.132 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
A (6/7)
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Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
| Sitemap | Not found |
Social & Meta Tags
Partial
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| Title | Debian -- The Universal Operating System |
| Description | Debian is an operating system and a distribution of Free Software. It is maintained and updated through the work of many users who volunteer their time and effort. |
| Language | en |
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.debian.org ~all |
| DMARC | ✓ Present v=DMARC1; p=none; rua=mailto:[email protected] |
| MX Records | 0 → muffat.debian.org 0 → mitropoulos.debian.org 0 → mailly.debian.org |
Other TLDs Other top-level domain variants of this domain name and their availability. 16 active 5 for sale 2 available
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 222ms |
| Last Checked | 2026-10-18 03:30:33.911262 |
| Uptime (30d) | 100% |
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