eff.org 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 71d
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 →
Unwired
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 →
173.239.79.200
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 5
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📊 Analytics
Matomo
📝 CMS
Drupal
⚡ Cache
Varnish
📦 JS Library
jQuery
🖥️ Web Server
Nginx
CMS Details Drupal
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🔌 Plugins (1)
Eff Library
Screenshot 2026-08-20
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Captured: 2026-08-20 03:03:18 · 23.2 KB
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) | 173.239.79.200 |
| NS | ns1.eff.orgns4.eff.orgns2.eff.org |
| MX | 0 eff-org.mail.protection.outlook.com |
| TXT | v=spf1 mx ip4:173.239.79.202 include:spf1.eff.org include:spf2.eff.org include:spf.protection.outlook.com include:salsalabs.org -all google-site-verification=Xqf-4VNlMzsu7X8mmX33O3jdZcvFavWtZen9xLBZ5S4 ms-domain-verification=55064e24-4bc6-4f21-a39c-f9c0b295f3f3 |
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) | eff.org |
| Issuer | Let's Encrypt |
| Valid From | 2026-08-01 |
| Valid Until | 2026-10-30 (71 days left) |
| SANs (1) | eff.org |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | nginx |
| Content-Type | text/html; charset=utf-8 |
| Final URL | https://www.eff.org/ |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| cache-control | public, max-age=300 |
| x-cache | HIT, HIT |
| via | 1.1 varnish, 1.1 varnish |
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 | 173.239.79.200 |
| Provider | Unwired |
| Organization | Unwired |
| ASN | AS32354 |
| Country | US |
| City | Berkeley |
Security Score
D (3/7)
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Sitemap & Robots
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| robots.txt | Found Open |
| Sitemap | Found 3 pages |
Social & Meta Tags
Complete
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| Title | Electronic Frontier Foundation | Defending your rights in the digital world |
| OG Title | Electronic Frontier Foundation |
| OG Description | Defending your rights in the digital world |
| OG Image | https://www.eff.org/files/eff-og.png |
| OG Type | website |
| OG Site Name | Electronic Frontier Foundation |
| Twitter Card | summary |
| Canonical URL | https://www.eff.org/ |
| 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 mx ip4:173.239.79.202 include:spf1.eff.org include:spf2.eff.org include:spf.protection.outlook.com include:salsalabs.org -all |
| DMARC | ✓ Present v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; |
| MX Records | 0 → eff-org.mail.protection.outlook.com |