🌐 calculator.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 33d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 326d
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 →
1/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
172.67.198.134
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. 5
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📊 Analytics
Google Analytics Google Tag Manager
🌐 CDN
Cloudflare
🔤 Font/Icon
Google Fonts
⚙️ Framework
Astro
📸 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)172.67.198.134104.21.44.98
AAAA (IPv6)2606:4700:3034::ac43:c6862606:4700:3036::6815:2c62
NScarmelo.ns.cloudflare.comriya.ns.cloudflare.com
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarGoDaddy.com, LLC
Registered2001-09-15
Expires2027-09-15 (in 326 days)
Last Updated2026-09-16
Statusclient delete prohibitedclient renew prohibitedclient transfer prohibitedclient update prohibitedauto renew period
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)calculator.info
IssuerLet's Encrypt
Valid From2026-08-28
Valid Until2026-11-26 (33 days left)
SANs (2)*.calculator.infocalculator.info
📡 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://calculator.info/
strict-transport-securitymax-age=31536000
cache-controlpublic,max-age=0,must-revalidate
cf-raya4f8b660fc2a05a6-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 Address172.67.198.134
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (2/7)
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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.
🤖
AI crawlers restricted — Amazonbot, Applebot-Extended, Bytespider, CCBot, ClaudeBot, Diffbot, Google-Extended, GPTBot …
Areas hidden from crawlers:
🚫 Entire site 1
Show raw disallow rules (1)
/
Sitemap Found 395 pages
Last modified 2026-05-23
🔗 Social & Meta Tags Complete
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TitleCalculator.info — Free Online Calculators
DescriptionFree online calculators for finance, health, math, construction, sports, and everyday life. 200+ accurate, easy-to-use calculators with no sign-up required.
OG TitleCalculator.info — Free Online Calculators
OG DescriptionFree online calculators for finance, health, math, construction, sports, and everyday life. 200+ accurate, easy-to-use calculators with no sign-up required.
OG Typewebsite
Twitter Cardsummary_large_image
Canonical URLhttps://calculator.info/
Languageen
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPFNot set
DMARCNot set
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 22 active 1 for sale
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.com ●
.net ●
.org ●
.info current
.io ●
.co ●
.dev ●
.app ●
.me ●
.biz ●
.eu ●
.xyz taken
.fi ●
.se ●
.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.