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flutter.dev Paid content

Categories: Development

Tags: Open Source

Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.

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Updated: 2026-09-03 17:33 Language: English (default) Access: Normal

Profile views 7 Outbound visits 6
Flutter 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 2019, this domain has about 7 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. The domain uses the common .dev extension, which is not an independent safety signal.

DNS and Email

Nameservers are provided by Google Cloud DNS, indicating managed DNS hosting. MX records point to the Google Workspace 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 certificate uses an RSA 2048-bit public key, offering broad client compatibility. 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: CSP, Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The x-cache, x-served-by response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. No CORS permission header was found, so browsers normally restrict cross-origin script access.

Technology Stack Analysis

The public page identifies Google Tag Manager, Google Analytics, Fastly 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 35 characters, within a common display range. A meta description is present, with 152 characters. The observed directives allow indexing and link following.

Hosting and Email

DNSGoogle Cloud DNS
HostingFastly
EmailGoogle Workspace
Location United States flagUnited States 199.36.158.100

Pages, Search and Sharing

Meta descriptionFlutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.
Canonical URLhttps://flutter.dev/
LanguageEnglish (default)
Twitter Cardsummary

Social Sharing Preview

8 fields

robots.txt (opens in a new tab)

HTTP 404

No robots.txt found

Sitemaps

1

Registration details RDAP / WHOIS

RegistrarMarkMonitor Inc.
Registered2019-01-11
Expires2027-01-11
Domain statusclient delete prohibited、client transfer prohibited、client update prohibited、server delete prohibited、server transfer prohibited、server update prohibited
Nameserversns1.googledomains.com、ns2.googledomains.com、ns3.googledomains.com、ns4.googledomains.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Aflutter.dev199.36.158.1002135—
AAAAflutter.dev2620:0:890::100615—
MXflutter.devsmtp.google.com3000
NSflutter.devns1.googledomains.com21600—
NSflutter.devns2.googledomains.com21600—
NSflutter.devns3.googledomains.com21600—
NSflutter.devns4.googledomains.com21600—
TXTflutter.devdashboard.flutter.devgoogle-site-verification=zJs_c6I-QYsjp6txdbnViGf2jC2rt6tGIL9BLErqL2Y3600—
TXTflutter.devdownload.flutter.devgoogle-site-verification=AeYMn1LTlmz1OT8omXL-buaYssgGkQIrAtddIyGYAh83600—
TXTflutter.devflutter.devgoogle-site-verification=34Rg6emh5D_Ea_zMqCFpkYgvqXmLxiVWcyw6M92vamo3600—
TXTflutter.devflutter.devgoogle-site-verification=EZ_oZwPsj3nJyq2Wyxm_df2syuPDWZWXcmMnIqSJmoc3600—
TXTflutter.devflutter.devgoogle-site-verification=iib-jo_2OjcBLBlgoQBU_Hqpg7jRbUGEAGI55A6ZTok3600—
TXTflutter.devflutter.devgoogle-site-verification=lIqguczSC2ik6Gpj63wvAeEZS5AV_1i9yz9Qlrndp-43600—
TXTflutter.devflutter.devgoogle-site-verification=ynwJ9uOJaXAo0h8elDzD-ol7A9qib6IMafu8WLbb8GM3600—
TXTflutter.devv=spf1 -all3600—
CAAflutter.dev0 issue "pki.goog"86400—
DMARC_dmarc.flutter.devv=DMARC1; p=reject; rua=mailto:[email protected]300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectflutter.dev
IssuerGoogle Trust Services
Valid until2026-10-22T14:54 · Remaining when checked: 48 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controlmax-age=3600
strict-transport-securitymax-age=31556926
x-frame-optionsDENY
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin

Identified technologies

Google Tag ManagerGoogle AnalyticsFastly

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