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linear.app Paid content

Categories: Productivity

Tags: Teams

Purpose-built for planning and building products with AI agents.

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Updated: 2026-09-01 08:42 Language: English (default) Access: Normal

Profile views 12 Outbound visits 6
Linear Full homepage screenshot

Website Overview

An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Page metadata, canonical configuration and social previews work together to provide more consistent search and sharing presentation.

Domain and Registration

Registered in 2018, this domain has about 8 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is CloudFlare, Inc., a widely used domain service provider. The domain uses the common .app extension, which is not an independent safety signal.

DNS and Email

The lowest TTL is 60 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Google Workspace email service. No CNAME was found; the observed records resolve directly to addresses. SPF and DMARC are configured. DKIM status is unknown.

TLS and Certificates

The public key uses EC with 256 bits. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.

HTTP and Browser Security

The response lacks these common security headers: Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray, via response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. The Server header identifies cloudflare without an exact version.

Technology Stack Analysis

The public page identifies Next.js, React, Cloudflare without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

Open Graph is partially configured; og:type is missing. Twitter Card metadata is configured. The title has 43 characters, within a common display range. A meta description is present, with 64 characters. The observed directives allow indexing and link following.

Hosting and Email

DNSCloudflare
HostingCloudflare
EmailGoogle Workspace
Location Location unknown 104.18.40.45

Pages, Search and Sharing

Meta descriptionPurpose-built for planning and building products with AI agents.
Canonical URLhttps://linear.app
LanguageEnglish (default)
Twitter Cardsummary_large_image

Social Sharing Preview

8 fields

robots.txt (opens in a new tab)

3 rules
All bots 1 allowed · 2 disallowed
  • Allow/api/og/
  • Disallow/api/
  • Disallow/cdn-cgi/

Sitemaps

1

Registration details RDAP / WHOIS

RegistrarCloudFlare, Inc.
Registered2018-05-09
Expires2030-05-09
Domain statusclient transfer prohibited
Nameserverstim.ns.cloudflare.com、zara.ns.cloudflare.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Alinear.app104.18.40.45299—
Alinear.app172.64.147.211299—
AAAAlinear.app2606:4700:440a::ac40:93d3219—
AAAAlinear.app2a06:98c1:3105::6812:282d219—
MXlinear.appaspmx.l.google.com3001
MXlinear.appalt1.aspmx.l.google.com3005
MXlinear.appalt2.aspmx.l.google.com3005
MXlinear.appalt3.aspmx.l.google.com30010
NSlinear.apptim.ns.cloudflare.com86400—
NSlinear.appzara.ns.cloudflare.com86400—
TXTlinear.appMS=ms4304151660—
TXTlinear.appZOOM_verify_rSExBwd4QT2vT9dfq9-UrA60—
TXTlinear.app_qcd9zztuukbep051izx2pjssdl6yae260—
TXTlinear.appanthropic-domain-verification-7emk8z=c8SuvlXPqgxzVcvjsiQ00cLfO60—
TXTlinear.appapple-domain-verification=zVdJnsxkD6nX5XCL60—
TXTlinear.appcursor-domain-verification-jkgerh=fYGswH2He0dJj0DekVjoNvFKi60—
TXTlinear.appdocusign=9bc6c7a7-fde1-48af-bcc3-11f14e98054960—
TXTlinear.appdomain-verification=0b7a143e64a100eeb18d7e29c53d3bcf83746f87607ac1f1b6aef8802ad5439d60—
TXTlinear.appgoogle-site-verification=-TwiLtawzz8QlL_LZlkuGibc6klzAuD0DfgytD0TM0g60—
TXTlinear.appgoogle-site-verification=4am7F1KUGPoMFePO3xuz4Eek80WH7im3c9UeedE10pA60—
TXTlinear.appgoogle-site-verification=mFdMlamOogHV4U7WGNYRd55OvljoEx7M_wgpb7zHzfo60—
TXTlinear.applaunchdarkly-domain-verification=f702791b-ddb9-496f-80f1-df749963297360—
TXTlinear.applinear-domain-verification=39195860—
TXTlinear.appmongodb-site-verification=DkQRVTZWWUX0i14d4YZddicK0SF4Qc1L60—
TXTlinear.appnotion-domain-verification=WyZnKX70mlPP1r1HchqL7re1MjaYo5c2F2Cy2R2z3XD60—
TXTlinear.appnotion-domain-verification=YflTDyf5nncjFK4D85Nsh38ufawi0ExsoOTUzXu9NpT60—
TXTlinear.appopenai-domain-verification=dv-cF94uxiJMGTKa374p6jJD0zU60—
TXTlinear.apprippling-domain-verification=806196fd264819a760—
TXTlinear.appslack-domain-verification=n9BI0EJf0vSJO9ugqYmWNJ5xbOOVQnnTirCGbRZK60—
TXTlinear.appstripe-verification=6EC2FC42DC487CF290EEEE12F5DEE9914E0186EF7BF33C1B6AEB7DD8B643CE8060—
TXTlinear.appv=MCPv1; k=ed25519; p=kK/pbugEO5TjSy0dXhqbUMJ0v+5eCO8osDkDeccICp4=60—
TXTlinear.appv=spf1 include:_spf.google.com include:spf.mtasv.net include:44092442.spf10.hubspotemail.net include:amazonses.com ~all60—
DMARC_dmarc.linear.appv=DMARC1; p=reject; rua=mailto:[email protected]; aspf=r; pct=100300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectlinear.app
IssuerGoogle Trust Services
Valid until2026-11-27T01:30 · Remaining when checked: 87 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controls-maxage=1800, stale-while-revalidate
servercloudflare
strict-transport-securitymax-age=63072000; includeSubDomains
content-security-policydefault-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/ https://registry.npmjs.org/ https://api.npmjs.org/ 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/ wss://*.md.sandbox.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-optionsnosniff
referrer-policysame-origin

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