🌐 build.dev 200 🔒 SSL Valid
Checked: (cached 2026-10-29 13:24:26) ↻ Refresh 🔗 Visit site
✨ About this site
This is a developer-focused platform and resource hub utilized by software engineers and technical creators. The site is built with modern web technologies and operates within the technical infrastructure ecosystem. The name 'build.dev' combines the common engineering term for compiling or constructing software with the .dev top-level domain, which is widely used by developers and technology projects.
📊 What the data says
This website is currently active with a 200 HTTP status and is hosted on Cloudflare. The site, which is approximately six years old, utilizes the Astro v7.4.2 framework and maintains a valid SSL certificate until January 25, 2027.
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 87d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 380d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
0/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.21.55.165
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
N/A
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 2
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🌐 CDN
Cloudflare
🏭 Generator
Astro v7.4.2
📸 Screenshot Processing...
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⏳

Screenshot is being captured...

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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A (IPv4)104.21.55.165172.67.171.171
AAAA (IPv6)2606:4700:3033::ac43:abab2606:4700:3030::6815:37a5
NSdell.ns.cloudflare.comtroy.ns.cloudflare.com
MX1 aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com
TXT (2)
Services configured via TXT:
Google
Show all TXT records
google-site-verification=N2GYqP4Cidkj5wEMEGKV7uY30nlta2NEGn8k7Yh_er0
v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarAtom.com Domains LLC
Registered2020-11-14
Expires2027-11-14 (in 380 days)
Last Updated2026-10-14
Statusclient transfer prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)build.dev
IssuerGoogle Trust Services
Valid From2026-10-27
Valid Until2027-01-25 (87 days left)
SANs (1)build.dev
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servercloudflare
Content-Typetext/html; charset=utf-8
Final URLhttps://build.dev/
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
cache-controlpublic, max-age=0, must-revalidate
cf-raya5228022dab8a915-DFW
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address104.21.55.165
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score D (3/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
No paths are disallowed — everything is crawlable.
Sitemap Not found
🔗 Social & Meta Tags Missing
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Titlebuild.dev
Languageen
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPF✓ Present
v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all
DMARCNot set
MX Records
1 → aspmx.l.google.com
10 → alt3.aspmx.l.google.com
10 → alt4.aspmx.l.google.com
5 → alt1.aspmx.l.google.com
5 → alt2.aspmx.l.google.com
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 20 active 3 for sale
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.com ●
.net ●
.org ●
.info ●
.io ●
.co taken
.dev current
.app ●
.me taken
.biz ●
.eu ●
.xyz ●
.fi ●
.se taken
.de ●
.uk ●
.fr ●
.nl ●
.es ●
.it ●
.us ●
.ca ●
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.