indexo.dev

clarksquarecapital.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 3619 ms crawled 2026-05-08

US · 216.239.38.21 · AS15169 Google LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Clark Square Capital's Ultimate Value | Substack
Description
Fundamental research focused on overlooked companies and special situations. Click to read Clark Square Capital's Ultimate Value, a Substack publication with thousands of subscribers.
Language
en
Canonical
https://www.clarksquarecapital.com/
Feeds

Open Graph

url
https://www.clarksquarecapital.com/
title
Clark Square Capital's Ultimate Value | Substack
description
Fundamental research focused on overlooked companies and special situations. Click to read Clark Square Capital's Ultimate Value, a Substack publication with thousands of subscribers.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights

Third-party hosts loaded (3)

  • substackcdn.com×240
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

Registration

Registrar
Squarespace Domains II LLC
Created
2019-12-15
Expires
2026-12-15 208 days left
Updated
2025-12-01
Name servers
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com

DNS records live

NS
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjWcEz7LWzw2vyHJRvrYwJC04vcNG7KSv1DdvdKtxJ8fsGgGNNcBAgDrmYH93p9PLH+gTEzr/dtSPfn…
selectors probed

Certificates

Loading certificate

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.clarksquarecapital.com/

present
  • strict-transport-security
  • content-security-policy
findings
  • CSP uses wildcard sources
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
frame-ancestors 'self' https://*.substack.com https://substack.com
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (2)

Linked from (1)