🌐 si.dev 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
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This domain forwards to si.inc (checked 0d ago)
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 58d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 286d
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 →
104.18.41.50
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.
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No technologies detected

📸 Screenshot
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Screenshot not available yet.

🌐 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)172.64.146.206104.18.41.50
AAAA (IPv6)2a06:98c1:3104::6812:29322a06:98c1:3109::ac40:92ce
NSlilith.ns.cloudflare.comtony.ns.cloudflare.com
MX5 alt2.aspmx.l.google.com1 aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com5 alt1.aspmx.l.google.com
TXT (2)
Services configured via TXT:
Google
Show all TXT records
google-site-verification=k0QkjcKFjKR0XS0PMOQiGo5lf0yAjd5lher4JrdXliw
v=spf1 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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RegistrarCloudFlare, Inc.
Registered2024-08-07
Expires2027-08-07 (in 286 days)
Last Updated2026-10-23
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)si.dev
IssuerGoogle Trust Services
Valid From2026-09-23
Valid Until2026-12-22 (58 days left)
SANs (2)si.dev*.si.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://si.inc/
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
cache-controlpublic, max-age=0, must-revalidate
cf-raya4fe5ac00ece0ff9-IAD
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 Address104.18.41.50
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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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags
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No meta tags detected.

📧 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.google.com -all
DMARCNot set
MX Records
5 → alt2.aspmx.l.google.com
1 → aspmx.l.google.com
10 → alt3.aspmx.l.google.com
10 → alt4.aspmx.l.google.com
5 → alt1.aspmx.l.google.com
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 17 active 1 for sale 5 available
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.com ●
.net ●
.org ●
.info ●
.io ●
.co ●
.dev current
.app ●
.me ●
.biz ●
.eu Available
.xyz ●
.fi ●
.se ●
.de ●
.uk Available
.fr Available
.nl ●
.es Available
.it taken
.us Available
.ca ●
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.