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Categories: Development

The instant on-demand Atomic CSS engine

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Updated: 2026-09-03 15:27 Language: English (default) Access: Normal

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UnoCSS Full homepage screenshot

Website Overview

Identifiable technologies and additional version or configuration signals make the service easier to fingerprint, which may help targeted scanners narrow their checks. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.

Domain and Registration

Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain has about 3 years of registration history; its current configuration provides more context than age alone. The domain uses the common .dev extension, which is not an independent safety signal.

DNS and Email

Nameservers are provided by NS1, 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. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed.

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

The response lacks these common security headers: CSP, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, clickjacking protection. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. The Server header contains the custom value Netlify. No explicit CDN or WAF marker was found in the response headers.

Technology Stack Analysis

The public page identifies VitePress 2.0.0-alpha.19, Netlify, with exact versions exposed for 1 technologies. These details can narrow vulnerability checks, although exposure alone is not a vulnerability.

Search and Social Sharing

The Generator tag identifies VitePress v2.0.0-alpha.19, making the publishing system easier to fingerprint. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. Open Graph is partially configured; og:title, og:description is missing. Twitter Card metadata is configured. The title has 47 characters, within a common display range.

Hosting and Email

DNSNS1
HostingNetlify
EmailUnknown
Location United States flagUnited States 15.197.167.90

Pages, Search and Sharing

Meta descriptionThe instant on-demand Atomic CSS engine
Canonical URLNot detected
LanguageEnglish (default)
Twitter Cardsummary_large_image

Social Sharing Preview

7 fields

robots.txt (opens in a new tab)

1 rules
All bots 1 allowed · 0 disallowed
  • Allow/

Sitemaps

0

No sitemaps found

Registration details RDAP / WHOIS

RegistrarName.com, Inc.
Registered2023-03-23
Expires2028-03-23
Domain statusclient transfer prohibited
Nameserversdns1.p01.nsone.net、dns2.p01.nsone.net、dns3.p01.nsone.net、dns4.p01.nsone.net
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Aunocss.dev15.197.167.90300—
Aunocss.dev3.33.186.135300—
NSunocss.devdns1.p01.nsone.net3600—
NSunocss.devdns2.p01.nsone.net3600—
NSunocss.devdns3.p01.nsone.net3600—
NSunocss.devdns4.p01.nsone.net3600—
TXTunocss.devgoogle-site-verification=G1X85n4rVM_CwU8nWmyKVckAcKz7Y913UmyPou7qD083600—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectunocss.dev
IssuerLet's Encrypt
Valid until2026-11-15T23:33 · Remaining when checked: 73 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
serverNetlify
strict-transport-securitymax-age=31536000

Identified technologies

VitePress 2.0.0-alpha.19Netlify

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