indexo.dev

shrubstack.com

.com crawl

First seen 2026-05-04 · Last seen 2026-05-11 · ok HTTP/1.1 200 7922 ms crawled 2026-05-11

US · 3.33.251.168 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Reminiscences of a Shrub Operator | Substack
Description
A live book on Investing. Click to read Reminiscences of a Shrub Operator, by Le Shrub, a Substack publication with tens of thousands of subscribers.
Language
en
Canonical
https://www.shrubstack.com/
Feeds

Open Graph

url
https://www.shrubstack.com/
title
Reminiscences of a Shrub Operator | Substack
description
A live book on Investing. Click to read Reminiscences of a Shrub Operator, by Le Shrub, a Substack publication with tens of thousands of subscribers.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • substackcdn.com×252
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

Registration

Registrar
GoDaddy.com, LLC
Created
2023-10-25
Expires
2026-10-25 158 days left
Updated
2024-01-09
Name servers
  • ns07.domaincontrol.com
  • ns08.domaincontrol.com

DNS records live

NS
  • ns07.domaincontrol.com
  • ns08.domaincontrol.com
MX
  • 0 shrubstack-com.mail.protection.outlook.com
TXT
  • NETORGFT18072247.onmicrosoft.com

Email authentication weak

SPF
v=spf1 include:secureserver.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Go Daddy Secure Certificate Authority - G2
from 2025-10-17 to 2026-10-17
Expires in 150 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.shrubstack.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 (5)

Linked from (1)