indexo.dev

techinvestments.io

.io crawl

First seen 2026-04-20 · Last seen 2026-05-13 · ok HTTP/1.1 200 1902 ms crawled 2026-05-13

US · 3.231.35.217 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Tech Investments | Substack
Description
In-depth analysis of quality and disruptive tech stocks. Examples of multi-year investments include Nvidia, ASML, Amazon, Google and Shopify. We'll be researching similar names here, as well as the key topics in the tech sector. Click to read Tech Investments, by Tech Fund, a Substack publication with tens of thousands of subscribers.
Language
en
Canonical
https://www.techinvestments.io/
Feeds

Open Graph

url
https://www.techinvestments.io/
title
Tech Investments | Substack
description
In-depth analysis of quality and disruptive tech stocks. Examples of multi-year investments include Nvidia, ASML, Amazon, Google and Shopify. We'll be researching similar names here, as well as the key topics in the tech sector. Click to read Tech Investments, by Tech Fund, 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×260
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

DNS records live

NS
  • ns-cloud-e1.googledomains.com
  • ns-cloud-e2.googledomains.com
  • ns-cloud-e3.googledomains.com
  • ns-cloud-e4.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
TXT
  • google-site-verification=xQj1-VgQjitB8ugctUlOgNzQnphjNq3_fO6kWCj_1sU
  • google-site-verification=N6RjmG8Y9d0fC7FZq_jeGM4ExAX8Cn1EuBgeR_BcaTo

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-14 to 2026-07-13
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.techinvestments.io/

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 (2)