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Domain report

quantcalc.app

quantcalc.app ranks in the top 0.24% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore quantcalc.app in the Web Graph

Connectivity

#320,435harmonic-centrality rank
Top percentile
0.24%
Hosts observed
1

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://quantcalc.app/ answered with HTTP 200.

DNS records

A
  • 172.67.187.71
  • 104.21.80.218
AAAA
  • 2606:4700:3030::6815:50da
  • 2606:4700:3034::ac43:bb47
MX
  • 27 route3.mx.cloudflare.net.
  • 71 route1.mx.cloudflare.net.
  • 88 route2.mx.cloudflare.net.
NS
  • bristol.ns.cloudflare.com.
  • viddy.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of quantcalc.app — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

Registrar
CloudFlare, Inc.
Registered
2026-02-02
Expires
2027-02-02
Last changed
2026-02-07

Nameservers: bristol.ns.cloudflare.com, viddy.ns.cloudflare.com

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html
Cache-Control
public, max-age=0, must-revalidate, s-maxage=86400
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://quantcalc.app/HTTP 301

    → https://quantcalc.app/

  2. 2.https://quantcalc.app/HTTP 200

Meta tags

Title
QuantCalc — Monte Carlo Retirement Calculator with Forward-Looking Forecasts
Description
Free retirement calculator. Up to 10,000 Monte Carlo simulations using forward-looking return forecasts. Compare assumptions. No account required.
Canonical
https://quantcalc.app/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
Not set
Open Graph title
QuantCalc — Will Your Retirement Survive What's Coming?
Open Graph description
Free Monte Carlo retirement calculator. Up to 10,000 simulations using forward-looking forecasts — not just historical averages. No account required.
Open Graph image
https://quantcalc.app/icons/og-image.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
QuantCalc — Monte Carlo Retirement Calculator
Twitter image
https://quantcalc.app/icons/og-image.png

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

Sitemap declared:

  • https://quantcalc.app/sitemap.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.