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Categories: Development

Tailwind CSS is a utility-first CSS framework for rapidly building modern websites without ever leaving your HTML.

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Updated: 2026-09-01 11:33 Language: English (default) Access: Normal

Profile views 4 Outbound visits 4
Tailwind CSS 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. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.

Domain and Registration

Registered in 2017, this domain has about 9 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 Tucows Domains Inc., a widely used domain service provider. The domain uses the common .com extension, which is not an independent safety signal.

DNS and Email

Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Fastmail email service. CAA records restrict which certificate authorities are authorized to issue certificates. 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

X-Powered-By exposes backend information: Next.js. The response lacks these common security headers: CSP, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, clickjacking protection. 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 Next.js, Tailwind CSS, Cloudflare, Vercel without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

The title has 76 characters and may be truncated in search results. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. Open Graph is partially configured; og:type is missing. Twitter Card metadata is configured. A meta description is present, with 114 characters.

Hosting and Email

DNSCloudflare
HostingVercel
EmailFastmail
Location Location unknown 104.26.2.143

Pages, Search and Sharing

Meta descriptionTailwind CSS is a utility-first CSS framework for rapidly building modern websites without ever leaving your HTML.
Canonical URLNot detected
LanguageEnglish (default)
Twitter Cardsummary_large_image

Social Sharing Preview

7 fields

robots.txt (opens in a new tab)

HTTP 404

No robots.txt found

Sitemaps

0

No sitemaps found

Registration details RDAP / WHOIS

RegistrarTucows Domains Inc.
Registered2017-07-20
Expires2032-07-20
Domain statusclient transfer prohibited、client update prohibited
Nameserversanuj.ns.cloudflare.com、roxy.ns.cloudflare.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Atailwindcss.com104.26.2.143300—
Atailwindcss.com104.26.3.143300—
Atailwindcss.com172.67.68.11300—
AAAAtailwindcss.com2606:4700:20::681a:28f300—
AAAAtailwindcss.com2606:4700:20::681a:38f300—
AAAAtailwindcss.com2606:4700:20::ac43:440b300—
MXtailwindcss.comin1-smtp.messagingengine.com30010
MXtailwindcss.comin2-smtp.messagingengine.com30020
NStailwindcss.comanuj.ns.cloudflare.com86400—
NStailwindcss.comroxy.ns.cloudflare.com86400—
TXTtailwindcss.comv=spf1 include:spf.messagingengine.com include:helpscoutemail.com ?all300—
CAAtailwindcss.com0 issue "comodoca.com"3600—
CAAtailwindcss.com0 issue "digicert.com; cansignhttpexchanges=yes"3600—
CAAtailwindcss.com0 issue "letsencrypt.org"3600—
CAAtailwindcss.com0 issue "pki.goog; cansignhttpexchanges=yes"3600—
CAAtailwindcss.com0 issue "ssl.com"3600—
CAAtailwindcss.com0 issuewild "comodoca.com"3600—
CAAtailwindcss.com0 issuewild "digicert.com; cansignhttpexchanges=yes"3600—
CAAtailwindcss.com0 issuewild "letsencrypt.org"3600—
CAAtailwindcss.com0 issuewild "pki.goog; cansignhttpexchanges=yes"3600—
CAAtailwindcss.com0 issuewild "ssl.com"3600—
DMARC_dmarc.tailwindcss.comv=DMARC1; p=none; sp=none; rua=mailto:[email protected]; pct=100300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjecttailwindcss.com
IssuerGoogle Trust Services
Valid until2026-10-15T21:38 · Remaining when checked: 44 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controlpublic, max-age=0, must-revalidate
servercloudflare
strict-transport-securitymax-age=63072000

Identified technologies

Next.jsTailwind CSSCloudflareVercel

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