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claude.ai Paid content

Categories: Artificial Intelligence

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Updated: 2026-09-01 09:04 Language: English (default) Access: Normal

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Claude 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. The registrar, MarkMonitor Inc., specializes in corporate domain and brand management, suggesting attention to domain asset protection. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. Registration contact information is publicly available through RDAP. The domain uses the common .ai extension, which is not an independent safety signal.

DNS and Email

The lowest TTL is 11 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by Cloudflare, indicating managed DNS hosting. No CNAME was found; the observed records resolve directly to addresses. No MX record was found. A conventional explicit inbound-mail route is not configured. TXT records include verification markers for Google. Such markers may also remain after a service stops being used.

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 by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.

HTTP and Browser Security

No X-Powered-By header was found, reducing one common source of backend fingerprinting information. All six checked browser-security headers are present. Their effectiveness still depends on the policy values and application behavior. The cf-ray 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 Tailwind CSS, Cloudflare without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

Open Graph is partially configured; og:description is missing. Twitter Card metadata is configured. JSON-LD includes Organization data, helping describe the organization as an entity. The title has 16 characters, within a common display range. A meta description is present, with 64 characters.

Hosting and Email

DNSCloudflare
HostingCloudflare
EmailUnknown
Location United States flagUnited States 160.79.104.10

Pages, Search and Sharing

Meta descriptionSign in to Claude, Anthropic's AI assistant for problem solvers.
Canonical URLhttps://claude.ai
LanguageEnglish (default)
Twitter Cardsummary_large_image

Social Sharing Preview

6 fields

robots.txt (opens in a new tab)

14 rules
ia_archiver 2 allowed · 1 disallowed
  • Allow/$
  • Allow/login
  • Disallow/
gptbot 0 allowed · 0 disallowed
oai-searchbot 0 allowed · 0 disallowed
chatgpt-user 0 allowed · 0 disallowed
google-extended 0 allowed · 1 disallowed
  • Disallow/
All bots 0 allowed · 10 disallowed
  • Disallow/new?*
  • Disallow/chat/*
  • Disallow/join/*
  • Disallow/magic-link*
  • Disallow/api/*
  • Disallow/onboarding*
  • Disallow/upgrade*
  • Disallow/lti/*
  • Disallow/settings*
  • Disallow/task*

Sitemaps

1

Registration details RDAP / WHOIS

RegistrarMarkMonitor Inc.
Registered2018-08-04
Expires2029-08-04
Domain statusclient delete prohibited、client transfer prohibited、client update prohibited
Nameserversisla.ns.cloudflare.com、randy.ns.cloudflare.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Aclaude.ai160.79.104.1011—
AAAAclaude.ai2607:6bc0::10247—
NSclaude.aiisla.ns.cloudflare.com85241—
NSclaude.airandy.ns.cloudflare.com85241—
TXTclaude.ai_4h91g65hky8g6rbfx22rpfu4pprn1v3300—
TXTclaude.aigoogle-site-verification=NISbSmcIQumvbPjLbYAhRmzrx1LSAhRMH6XVaKTWxe0300—
TXTclaude.aigoogle-site-verification=YPYhXirYOvYGGQtAypqom1k-1KMXKHeWbxKgw60bDfo300—
TXTclaude.aigoogle-site-verification=iDyYpE6uHVggWrWzK-MEosRSp7XUE7wqBLGX0Ua71Pc300—
TXTclaude.aigoogle-site-verification=vd3zHrSm-qrk36v4haRXBGrfAOM-O8b8pDiaPdI_s9Q300—
TXTclaude.aiv=spf1 -all300—
DMARC_dmarc.claude.aiv=DMARC1; p=reject; rua=mailto:[email protected]; fo=1300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectclaude.ai
IssuerLet's Encrypt
Valid until2026-10-11T14:57 · Remaining when checked: 40 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html
cache-controlprivate, no-store
servercloudflare
strict-transport-securitymax-age=63072000; includeSubDomains; preload
content-security-policyscript-src 'nonce-/n03lUuUaV++dDHBcXFSjQ==' 'strict-dynamic' 'sha256-HynzwJneQW1GCREMxBnChoz0UBITKUTuzAEzkdIgr/4=' 'sha256-C5KicCHCK0vl9mEZ/JaRxrnqiysuCtogXKgOvP0mVtQ=' 'sha256-iCL+83KgrerPggmLPWjElJmf5b1LciP4oFZqA8UcnIU=' 'sha256-VIbNu4Ri8NqVnR1FWpgQJHF9ojOQaOuaoKZzd38ybG4=' 'sha256-K+mfCF6qHamUNTUh8TuRY8OVaDY0U/Es+P2ZgN+mVyI=' 'sha256-lLPOzQCxaMAkxPukJEGNAo5Vz0aJp36rNSUgt5IGBjU=' 'sha256-8dZmowwnYr9C3cOUfps+pDtRarSncFD7H36T7s50/Es=' 'sha256-g9F6h1yJG4ntJwoYNwwiFIMooxeVsmseFQjjvDqCm7Y=' 'sha256-/CLs1eA1eD/BQFwZ40K1HVCSI1vAK/b37MMFn6kiOzo=' 'sha256-QtroC2/D6BDALsRZdE3aesLQRBzvDQgkWnYdZZXzW2Y=' 'sha256-KKydReEl2XoFafBj4XnPjtogtnCgWk7C1LpMvl2Utls=' 'sha256-+PnvgfwDMRhY7tuKbbZBBtq3XIKQN4Vfvg1kfKGqfm0=' 'sha256-R1S6t/9B+3q2C26r0rDvuN/ZaAW9X+itL24sPB0nwhw=' 'wasm-unsafe-eval'; object-src 'none'; base-uri 'none'; block-all-mixed-content; img-src 'self' data: blob: *.anthropic.com *.claude.ai *.claude.com *.gstatic.com * https://js.intercomcdn.com https://static.intercomassets.com https://downloads.intercomcdn.com https://downloads.intercomcdn.eu https://downloads.au.intercomcdn.com https://uploads.intercomusercontent.com https://gifs.intercomcdn.com https://video-messages.intercomcdn.com https://messenger-apps.intercom.io https://messenger-apps.eu.intercom.io https://messenger-apps.au.intercom.io https://*.intercom-attachments-1.com https://*.intercom-attachments.eu https://*.au.intercom-attachments.com https://*.intercom-attachments-2.com https://*.intercom-attachments-3.com https://*.intercom-attachments-4.com https://*.intercom-attachments-5.com https://*.intercom-attachments-6.com https://*.intercom-attachments-7.com https://*.intercom-attachments-8.com https://*.intercom-attachments-9.com https://static.intercomassets.eu https://static.au.intercomassets.com; frame-src 'self' a-cdn.claude.ai a.claude.ai b.stripecdn.com challenges.cloudflare.com embedded-dashboards.metronome.com form.typeform.com forms.hsforms.com js.stripe.com m.stripe.network hcaptcha.com *.hcaptcha.com pay.google.com r.stripe.com www.google.com accounts.google.com www.youtube-nocookie.com https://intercom-sheets.com https://www.intercom-reporting.com https://www.youtube.com https://player.vimeo.com https://fast.wistia.net https://www.claudeusercontent.com https://www.claudemcpclient.com *.claudemcpcontent.com https://sandbox.claudemcpcontent.com https://claude.ai *.livepreview.claude.ai *.livepreview.claude.app; font-src 'self' assets.claude.ai assets-proxy.anthropic.com https://fonts.gstatic.com https://js.intercomcdn.com https://fonts.intercomcdn.com; form-action 'self' https://forms.hsforms.com https://intercom.help https://api-iam.intercom.io https://api-iam.eu.intercom.io https://api-iam.au.intercom.io https://messenger-apps.intercom.io https://messenger-apps.eu.intercom.io https://messenger-apps.au.intercom.io https://support.claude.com; media-src 'self' blob: cdn.sanity.io https://assets.claude.ai https://assets-proxy.anthropic.com https://js.intercomcdn.com https://downloads.intercomcdn.com https://downloads.intercomcdn.eu https://downloads.au.intercomcdn.com; upgrade-insecure-requests; worker-src 'self' blob: a-cdn.claude.ai assets.claude.ai assets-proxy.anthropic.com a-cdn.anthropic.com s-cdn.anthropic.com; frame-ancestors 'self'
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
permissions-policyaccelerometer=self, attribution-reporting=*, autoplay=(self "https://www.youtube-nocookie.com"), bluetooth=self, browsing-topics=*, camera=(self "https://*.claudemcpcontent.com"), clipboard-read=self, clipboard-write=(self "https://*.claudemcpcontent.com"), compute-pressure=self, display-capture=self, encrypted-media=self, fullscreen=(self "https://www.youtube-nocookie.com"), gamepad=self, geolocation=(self "https://*.claudemcpcontent.com"), gyroscope=self, hid=self, identity-credentials-get=self, idle-detection=self, local-fonts=self, magnetometer=self, microphone=(self "https://*.claudemcpcontent.com"), midi=self, otp-credentials=self, picture-in-picture=*, publickey-credentials-create=self, publickey-credentials-get=self, screen-wake-lock=self, serial=self, storage-access=*, usb=self, web-share=self, window-management=self, xr-spatial-tracking=self
set-cookieRedacted

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Tailwind CSSCloudflare

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