terraform.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 31d
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 →
2/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
76.76.21.21
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 3
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⚙️ Framework
Next.js
☁️ Hosting
Vercel
⚡ JS Framework
React
Screenshot 2026-08-20
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Captured: 2026-08-20 05:47:45 · 12 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) | 76.76.21.21 |
| NS | ns-1228.awsdns-25.orgns-1672.awsdns-17.co.ukns-297.awsdns-37.comns-702.awsdns-23.net |
| TXT | google-site-verification=8d7FpfB8aOEYAIkoaVKxg7Ibj438CEypjZTH424Pews google-site-verification=9D7erI6Bfd9EOHKSIXRe0XQaqAFAjToBtZmyYRzMm34 google-site-verification=LQZvxDzrGE-ZLudDpkpj-gcXN-5yF7Z6C-4Rljs3I_Q google-site-verification=y974ACvos30pN7_OBgEZb_byZV8qYtK0G6WZfE7OX8s keybase-site-verification=5HKqMvJnTWpe8W-Aa8r0y3wuy1bhQ6LwcjaxKE9BOQU v=spf1 -all _globalsign-domain-verification=O81xyb7YxpdGeHWkniit_VBT4vTXz9__NFrNMoTwFg _globalsign-domain-verification=PO95qR5HARP3zbvcQ1WFBVyLGBUvgjmgc16ENjCtmy _globalsign-domain-verification=b1pmSjP4FyG8hkZunkD3Aoz8tK0FWCje80-YwtLeDU fastly-domain-delegation-Yo7fwKrQkFhSCURj-430751-2021-09-07 |
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) | terraform.io |
| Issuer | Let's Encrypt |
| Valid From | 2026-06-22 |
| Valid Until | 2026-09-20 (31 days left) |
| SANs (1) | terraform.io |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | Vercel |
| Content-Type | text/html; charset=utf-8 |
| Final URL | https://developer.hashicorp.com/terraform |
| strict-transport-security | max-age=63072000 |
| x-frame-options | SAMEORIGIN |
| 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 | 76.76.21.21 |
| Provider | AWS |
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Country | US |
| City | Walnut |
Security Score
D (3/7)
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Sitemap & Robots
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| robots.txt | Found Open |
| Sitemap | Not found |
Social & Meta Tags
Complete
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| Title | Terraform | HashiCorp Developer |
| Description | Explore Terraform product documentation, tutorials, and examples. |
| OG Title | Terraform | HashiCorp Developer |
| OG Description | Explore Terraform product documentation, tutorials, and examples. |
| OG Image | https://developer.hashicorp.com/og-image/terraform.jpg |
| OG Type | website |
| OG Site Name | Terraform | HashiCorp Developer |
| Twitter Card | summary_large_image |
| Canonical URL | https://developer.hashicorp.com/terraform |
| 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 -all |
| DMARC | ✓ Present v=DMARC1; p=reject; adkim=s; aspf=s; |