linear.app 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 85d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 1358d
Hosting The company and location where this website's server is physically located.Read more →
Cloudflare
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 →
104.18.40.45
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 5
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📊 Analytics
Google Analytics
🌐 CDN
Cloudflare
🎨 CSS Framework
Bootstrap
⚙️ Framework
Next.js
⚡ JS Framework
React
Screenshot 2026-08-20
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Captured: 2026-08-20 02:57:50 · 1.4 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) | 172.64.147.211104.18.40.45 |
| AAAA (IPv6) | 2606:4700:440a::ac40:93d32a06:98c1:3105::6812:282d |
| NS | zara.ns.cloudflare.comtim.ns.cloudflare.com |
| MX | 10 alt3.aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com1 aspmx.l.google.com |
| TXT | notion-domain-verification=YflTDyf5nncjFK4D85Nsh38ufawi0ExsoOTUzXu9NpT notion-domain-verification=WyZnKX70mlPP1r1HchqL7re1MjaYo5c2F2Cy2R2z3XD v=MCPv1; k=ed25519; p=kK/pbugEO5TjSy0dXhqbUMJ0v+5eCO8osDkDeccICp4= apple-domain-verification=zVdJnsxkD6nX5XCL v=spf1 include:_spf.google.com include:spf.mtasv.net include:44092442.spf10.hubspotemail.net include:amazonses.com ~all google-site-verification=-TwiLtawzz8QlL_LZlkuGibc6klzAuD0DfgytD0TM0g docusign=9bc6c7a7-fde1-48af-bcc3-11f14e980549 mongodb-site-verification=DkQRVTZWWUX0i14d4YZddicK0SF4Qc1L domain-verification=0b7a143e64a100eeb18d7e29c53d3bcf83746f87607ac1f1b6aef8802ad5439d anthropic-domain-verification-7emk8z=c8SuvlXPqgxzVcvjsiQ00cLfO launchdarkly-domain-verification=f702791b-ddb9-496f-80f1-df7499632973 ZOOM_verify_rSExBwd4QT2vT9dfq9-UrA rippling-domain-verification=806196fd264819a7 google-site-verification=4am7F1KUGPoMFePO3xuz4Eek80WH7im3c9UeedE10pA linear-domain-verification=391958 cursor-domain-verification-jkgerh=fYGswH2He0dJj0DekVjoNvFKi _qcd9zztuukbep051izx2pjssdl6yae2 openai-domain-verification=dv-cF94uxiJMGTKa374p6jJD0zU slack-domain-verification=n9BI0EJf0vSJO9ugqYmWNJ5xbOOVQnnTirCGbRZK MS=ms43041516 stripe-verification=6EC2FC42DC487CF290EEEE12F5DEE9914E0186EF7BF33C1B6AEB7DD8B643CE80 google-site-verification=mFdMlamOogHV4U7WGNYRd55OvljoEx7M_wgpb7zHzfo |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | CloudFlare, Inc. |
| Registered | 2018-05-09 |
| Expires | 2030-05-09 (in 1358 days) |
| Last Updated | 2026-03-09 |
| 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) | linear.app |
| Issuer | Let's Encrypt |
| Valid From | 2026-08-15 |
| Valid Until | 2026-11-13 (85 days left) |
| SANs (2) | *.client-preview.linear.applinear.app |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | cloudflare |
| Content-Type | text/html; charset=utf-8 |
| strict-transport-security | max-age=63072000; includeSubDomains |
| content-security-policy | default-src 'self' https://static.linear.app https://static.linear.dev; connect-src 'self' https://o415358.ingest.sentry.io/api/5337513/ https://o415358.ingest.sentry.io/api/4504277957279744/ wss://ornj730p.api.sanity.io/ https://ornj730p.apicdn.sanity.io/ https://*.linear.app https://9RXBCYQ6DV-dsn.algolia.net https://linearstatus.com/ https://statuspage.incident.io/ https://app.posthog.com https://api.github.com/ https://raw.githubusercontent.com/ https://www.githubstatus.com/ https://dns.google/ http://127.0.0.1:44450/ http://127.0.0.1:18450/ http://127.0.0.1:33234/ https://api.linear.app https://client-api.linear.app wss://sync.linear.app/ https://storage.googleapis.com/uploads.linear.app/ https://storage.googleapis.com/linear-uploads-europe-west1/ https://storage.googleapis.com/linear-uploads-us-central1/ https://storage.googleapis.com/imports.linear.app/ https://storage.googleapis.com/linear-imports-europe-west1/ https://storage.googleapis.com/linear-imports-us-central1/ https://storage.googleapis.com/public.linear.app/ https://ornj730p.api.sanity.io/; script-src 'unsafe-inline' 'self' blob: https://js.stripe.com/v3 https://jobs.ashbyhq.com/Linear/embed https://e.linear.app https://challenges.cloudflare.com/turnstile/ 'wasm-unsafe-eval' https://static.linear.app https://static.linear.dev; worker-src 'self' blob: https://static.linear.app https://static.linear.dev; style-src 'self' 'unsafe-inline' https://static.linear.app https://static.linear.dev; font-src 'self' data: https://static.linear.app https://static.linear.dev; img-src 'self' data: blob: https://*.linear.app https://*.googleusercontent.com https://cdn.sanity.io/images/ornj730p/ https://webassets.linear.app https://linear.app/cdn-cgi/imagedelivery/ https://avatars.githubusercontent.com https://i.ytimg.com/vi/ https://avatars.slack-edge.com https://pbs.twimg.com/profile_images/ https://pbs.twimg.com/ext_tw_video_thumb/ https://secure.gravatar.com; frame-ancestors 'self' https://cms.linear.app; frame-src *; media-src blob: https://uploads.linear.app https://client-api.linear.app https://public.linear.app https://imports.linear.app https://static.linear.app https://webassets.linear.app https://cdn.sanity.io/files/ornj730p/ https://video.twimg.com/ext_tw_video/ https://linear.app/static/; base-uri 'self'; report-uri https://api.linear.app/report-violation |
| x-content-type-options | nosniff |
| referrer-policy | same-origin |
| cache-control | s-maxage=1800, stale-while-revalidate |
| cf-ray | a2de1cec5825d6d5-IAD |
| via | 1.1 google |
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 | 104.18.40.45 |
| Provider | Cloudflare |
| Organization | Cloudflare, Inc. |
| ASN | AS13335 |
| Country | US |
| City | San Francisco |
Security Score
B (5/7)
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Sitemap & Robots
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| robots.txt | Found Open |
| Sitemap | Found 999 pages |
| Last modified | 2026-08-19T18:34:54Z |
| Disallowed paths |
/api/
/cdn-cgi/
|
Social & Meta Tags
Complete
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| Title | Linear – The system for product development |
| Description | Purpose-built for planning and building products with AI agents. |
| OG Title | Linear – The system for product development |
| OG Description | Purpose-built for planning and building products with AI agents. |
| OG Image | https://linear.app/static/og/homepage.jpg |
| Twitter Card | summary_large_image |
| Canonical URL | https://linear.app |
| 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.google.com include:spf.mtasv.net include:44092442.spf10.hubspotemail.net include:amazonses.com ~all |
| DMARC | ✓ Present v=DMARC1; p=reject; rua=mailto:[email protected]; aspf=r; pct=100 |
| MX Records | 10 → alt3.aspmx.l.google.com 5 → alt1.aspmx.l.google.com 5 → alt2.aspmx.l.google.com 1 → aspmx.l.google.com |