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verticalized.co

.co crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 352 ms crawled 2026-05-14

US · 172.64.151.232 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

sector tech type blog

HTML metadata

Title
Verticalized: The Newsletter for Industry Disruption | Eli Dukes | Substack
Description
the hidden currents of industry. Click to read Verticalized: The Newsletter for Industry Disruption, by Eli Dukes, a Substack publication with thousands of subscribers.
Language
en
Canonical
https://verticalized.co/
Feeds

Open Graph

url
https://verticalized.co/
title
Verticalized: The Newsletter for Industry Disruption | Eli Dukes | Substack
description
the hidden currents of industry. Click to read Verticalized: The Newsletter for Industry Disruption, by Eli Dukes, a Substack publication with thousands of subscribers.

Technology

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

Third-party hosts loaded (4)

  • substackcdn.com×250
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
CNAME
  • target.substack-custom-domains.com
TXT
  • google-site-verification=ZmrOJX4Ngoudomh6n5bwlpo8mCcJbzsrM0F5ni4mU5s

Email authentication weak

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

Certificate (current)

WE1
from 2026-04-22 to 2026-07-21
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://verticalized.co/

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)