🌐 calculator.com 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 34d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 91d
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 →
104.21.64.122
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
⚡ 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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🌐 CDN
Cloudflare
🎨 CSS Framework
Bootstrap
🔤 Font/Icon
Font Awesome
📦 JS Library
jQuery
💻 Language
PHP 8.0.30
📸 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)172.67.185.20104.21.64.122
AAAA (IPv6)2606:4700:3035::6815:407a2606:4700:3030::ac43:b914
NSclark.ns.cloudflare.comsara.ns.cloudflare.com
MX5 mail.calculator.com
TXT (4)
Services configured via TXT:
Google3
Show all TXT records
google-site-verification=rEpHib42SWQ675Kt_hpsf61jUrTdHDofiQbO2VADlNc
v=spf1 ip4:174.143.201.16 ip6:2001:4800:7821:101:be76:4eff:fe03:665e -all
google-site-verification=PCC_HXEg6Z6UP8XQ8SXM6pQ52tVZI0GTHJ_3RS2FNOE
google-site-verification=XpuuZPbZzIuGwWwYMO6U3KHgUr7fl8V5db-47CbzLL4
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarGoDaddy.com, LLC
Registered1996-01-24
Expires2027-01-25 (in 91 days)
Last Updated2025-01-26
Statusclient delete prohibitedclient renew prohibitedclient transfer prohibitedclient update prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)calculator.com
IssuerGoogle Trust Services
Valid From2026-08-31
Valid Until2026-11-29 (34 days left)
SANs (2)calculator.com*.calculator.com
📡 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.com/
x-powered-byPHP/8.0.30
cache-controlno-store, no-cache, must-revalidate
cf-raya50144600c8ce6ec-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 Address104.21.64.122
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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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 Found 222 pages
Last modified 2026-08-24
🔗 Social & Meta Tags Complete
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Title...calculate anything, anytime, anywhere. | calculator.com
DescriptionFree online calculators for math, finance, health, science, conversions, graphing, education, and everyday calculations. Calculate anything, anytime, anywhere.
OG Title...calculate anything, anytime, anywhere.
OG DescriptionFree online calculators for math, finance, health, science, conversions, graphing, education, and everyday calculations. Calculate anything, anytime, anywhere.
OG Typewebsite
OG Site Namecalculator.com
Twitter Cardsummary_large_image
Canonical URLhttps://calculator.com/
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 ip4:174.143.201.16 ip6:2001:4800:7821:101:be76:4eff:fe03:665e -all
DMARC✓ Present
v=DMARC1; p=quarantine;
MX Records
5 → mail.calculator.com
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 22 active 1 for sale
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.com current
.net ●
.org ●
.info ●
.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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Current Status 🟢 Online
HTTP Status 200
Response Time 132ms
Last Checked 2026-10-24 21:31:08.51479
Uptime (30d) 100%