notboring.co

.co crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 1699 ms crawled 2026-05-06

US · 3.33.251.168 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Not Boring by Packy McCormick | Substack
Description
Tech strategy, analysis, and philosophy, but not boring. Click to read Not Boring by Packy McCormick, a Substack publication with hundreds of thousands of subscribers.
Language
en
Canonical
https://www.notboring.co/
Feeds

Open Graph

url
https://www.notboring.co/
title
Not Boring by Packy McCormick | Substack
description
Tech strategy, analysis, and philosophy, but not boring. Click to read Not Boring by Packy McCormick, a Substack publication with hundreds of thousands of subscribers.

Technology

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

Third-party hosts loaded (4)

  • substackcdn.com×255
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

DNS records live

NS
  • ns29.domaincontrol.com
  • ns30.domaincontrol.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
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:dc-aa8e722993._spfm.notboring.co ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1OaJmvuBpQ7hV1hE5p2qKK5wkVcX8Tv69JRVqDPK2Xut6RYcLGuv1NArSEBo/IBA4/k25Cckc0C4R1…
selectors probed

Certificates

Loading certificate

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.notboring.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 (2)