🌐 keirin.info 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
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 47d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
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 →
103.3.2.20
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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🎨 CSS Framework
Bootstrap
🖥️ Web Server
Nginx
📸 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)103.3.2.20
NSns2.xserver.jpns5.xserver.jpns4.xserver.jpns3.xserver.jpns1.xserver.jp
MX0 keirin.info
TXT (1)
v=spf1 +a:sv12019.xserver.jp +a:keirin.info +mx include:spf.sender.xserver.jp ~all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarN/A
RegisteredN/A
ExpiresN/A
Last UpdatedN/A
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)www.keirin.info
IssuerLet's Encrypt
Valid From2026-09-08
Valid Until2026-12-07 (47 days left)
SANs (2)keirin.infowww.keirin.info
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servernginx
Content-Typetext/html
Final URLhttps://keirin.info/
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 Address103.3.2.20
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (1/7)
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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 Partial
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TitleKeirinTools Viva!
Description競輪結果を素早く表示!!シンプルで使いやすいAndroidアプリです。
Canonical URLhttps://getbootstrap.jp/docs/5.0/examples/pricing/
Languageja
📧 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 +a:sv12019.xserver.jp +a:keirin.info +mx include:spf.sender.xserver.jp ~all
DMARCNot set
MX Records
0 → keirin.info
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 8 active 2 for sale 13 available
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.com taken
.net ●
.org Available
.info current
.io ●
.co Available
.dev Available
.app taken
.me Available
.biz ●
.eu Available
.xyz ●
.fi Available
.se Available
.de ●
.uk Available
.fr Available
.nl ●
.es Available
.it ●
.us Available
.ca Available
.com.au Available
.co.uk ●
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.