indexo.dev

calculatestuff.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2343 ms crawled 2026-05-19

US · 172.66.43.44 · AS13335 Cloudflare, Inc.

Reputation 100/100

sector tech type homepage

HTML metadata

Title
Online Calculators - CalculateStuff.com
Description
CalculateStuff.com, the place where stuff gets calculated! We offer a wide and ever growing range of advanced online calculators.
Language
en
Canonical
https://www.calculatestuff.com

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Contact

Address
st CalculatorOvulation CalculatorResourcesCalculator WidgetsFAQ© Copyright 2011

Registration

Registrar
NameCheap, Inc.
Created
2011-02-20
Expires
2033-02-20 2468 days left
Updated
2026-05-13
Name servers
  • daisy.ns.cloudflare.com
  • gannon.ns.cloudflare.com

DNS records live

NS
  • daisy.ns.cloudflare.com
  • gannon.ns.cloudflare.com
MX
  • 10 mx.zoho.com
  • 20 mx2.zoho.com
  • 50 mx3.zoho.com
TXT
  • google-site-verification=MpRmrUkNu2aYr-acIlVv55lfQng3KbEzNMJ-qTa_DKc

Email authentication strong

SPF
v=spf1 include:zohomail.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:437dcbcd4b@rua.easydmarc.com;ruf=mailto:437dcbcd4b@ruf.easydmarc.com;fo=1
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-15 to 2026-07-14
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.calculatestuff.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • weak content type protection
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
DENY
permissions-policy
autoplay=()
x-content-type-options
nosniff, nosniff
content-security-policy
default-src 'self'; base-uri 'none'; object-src 'none'; script-src 'strict-dynamic' 'report-sample' 'unsafe-inline' 'unsafe-eval' 'self' https://cdn.calculatestuff.com https://*.googletagmanager.com https://*.google-analytics.com https://*.consensu.org https://*.quantcast.com https://*.inmobi.com https://*.inmobi-choice.io https://*.gstatic.com 'nonce-BJwi3IZsh4YPB3A/1lIviw=='; style-src 'self' https://cdn.calculatestuff.com 'unsafe-inline' 'report-sample'; connect-src 'self' https://cdn.calculatestuff.com https://*.googletagmanager.com https://*.google-analytics.com https://*.consensu.org https://*.quantcast.com https://*.inmobi.com https://*.inmobi-choice.io https://*.gstatic.com; frame-src 'self' https://widgets.calculatestuff.com; child-src 'self' https://widgets.calculatestuff.com; frame-ancestors 'none'; font-src 'self' https://cdn.calculatestuff.com data:; img-src 'self' https://cdn.calculatestuff.com https://*.googletagmanager.com https://*.google-analytics.com https://*.consen
strict-transport-security
max-age=63072000; includeSubDomains

Linked from (2)